21590100

素因数分解:

$2^2\times 3^2\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1$

素因数の和:199

約数の個数: 216

約数和(自身を含む): 81244800

約数和(自身を除く): 59654700

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 23, 25, 28, 30, 35, 36, 42, 45, 46, 50, 60, 63, 69, 70, 75, 84, 90, 92, 100, 105, 115, 126, 138, 140, 149, 150, 161, 175, 180, 207, 210, 225, 230, 252, 276, 298, 300, 315, 322, 345, 350, 414, 420, 447, 450, 460, 483, 525, 575, 596, 630, 644, 690, 700, 745, 805, 828, 894, 900, 966, 1035, 1043, 1050, 1150, 1260, 1341, 1380, 1449, 1490, 1575, 1610, 1725, 1788, 1932, 2070, 2086, 2100, 2235, 2300, 2415, 2682, 2898, 2980, 3129, 3150, 3220, 3427, 3450, 3725, 4025, 4140, 4172, 4470, 4830, 5175, 5215, 5364, 5796, 6258, 6300, 6705, 6854, 6900, 7245, 7450, 8050, 8940, 9387, 9660, 10281, 10350, 10430, 11175, 12075, 12516, 13410, 13708, 14490, 14900, 15645, 16100, 17135, 18774, 20562, 20700, 20860, 22350, 23989, 24150, 26075, 26820, 28980, 30843, 31290, 33525, 34270, 36225, 37548, 41124, 44700, 46935, 47978, 48300, 51405, 52150, 61686, 62580, 67050, 68540, 71967, 72450, 78225, 85675, 93870, 95956, 102810, 104300, 119945, 123372, 134100, 143934, 144900, 154215, 156450, 171350, 187740, 205620, 215901, 234675, 239890, 257025, 287868, 308430, 312900, 342700, 359835, 431802, 469350, 479780, 514050, 599725, 616860, 719670, 771075, 863604, 938700, 1028100, 1079505, 1199450, 1439340, 1542150, 1799175, 2159010, 2398900, 3084300, 3598350, 4318020, 5397525, 7196700, 10795050, 21590100]

約数ペア:

[(1, 21590100), (2, 10795050), (3, 7196700), (4, 5397525), (5, 4318020), (6, 3598350), (7, 3084300), (9, 2398900), (10, 2159010), (12, 1799175), (14, 1542150), (15, 1439340), (18, 1199450), (20, 1079505), (21, 1028100), (23, 938700), (25, 863604), (28, 771075), (30, 719670), (35, 616860), (36, 599725), (42, 514050), (45, 479780), (46, 469350), (50, 431802), (60, 359835), (63, 342700), (69, 312900), (70, 308430), (75, 287868), (84, 257025), (90, 239890), (92, 234675), (100, 215901), (105, 205620), (115, 187740), (126, 171350), (138, 156450), (140, 154215), (149, 144900), (150, 143934), (161, 134100), (175, 123372), (180, 119945), (207, 104300), (210, 102810), (225, 95956), (230, 93870), (252, 85675), (276, 78225), (298, 72450), (300, 71967), (315, 68540), (322, 67050), (345, 62580), (350, 61686), (414, 52150), (420, 51405), (447, 48300), (450, 47978), (460, 46935), (483, 44700), (525, 41124), (575, 37548), (596, 36225), (630, 34270), (644, 33525), (690, 31290), (700, 30843), (745, 28980), (805, 26820), (828, 26075), (894, 24150), (900, 23989), (966, 22350), (1035, 20860), (1043, 20700), (1050, 20562), (1150, 18774), (1260, 17135), (1341, 16100), (1380, 15645), (1449, 14900), (1490, 14490), (1575, 13708), (1610, 13410), (1725, 12516), (1788, 12075), (1932, 11175), (2070, 10430), (2086, 10350), (2100, 10281), (2235, 9660), (2300, 9387), (2415, 8940), (2682, 8050), (2898, 7450), (2980, 7245), (3129, 6900), (3150, 6854), (3220, 6705), (3427, 6300), (3450, 6258), (3725, 5796), (4025, 5364), (4140, 5215), (4172, 5175), (4470, 4830)]