21622300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:140

約数の個数: 144

約数和(自身を含む): 59996160

約数和(自身を除く): 38373860

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 23, 25, 28, 34, 35, 46, 50, 68, 70, 79, 85, 92, 100, 115, 119, 140, 158, 161, 170, 175, 230, 238, 316, 322, 340, 350, 391, 395, 425, 460, 476, 553, 575, 595, 644, 700, 782, 790, 805, 850, 1106, 1150, 1190, 1343, 1564, 1580, 1610, 1700, 1817, 1955, 1975, 2212, 2300, 2380, 2686, 2737, 2765, 2975, 3220, 3634, 3910, 3950, 4025, 5372, 5474, 5530, 5950, 6715, 7268, 7820, 7900, 8050, 9085, 9401, 9775, 10948, 11060, 11900, 12719, 13430, 13685, 13825, 16100, 18170, 18802, 19550, 25438, 26860, 27370, 27650, 30889, 33575, 36340, 37604, 39100, 45425, 47005, 50876, 54740, 55300, 61778, 63595, 67150, 68425, 90850, 94010, 123556, 127190, 134300, 136850, 154445, 181700, 188020, 216223, 235025, 254380, 273700, 308890, 317975, 432446, 470050, 617780, 635950, 772225, 864892, 940100, 1081115, 1271900, 1544450, 2162230, 3088900, 4324460, 5405575, 10811150, 21622300]

約数ペア:

[(1, 21622300), (2, 10811150), (4, 5405575), (5, 4324460), (7, 3088900), (10, 2162230), (14, 1544450), (17, 1271900), (20, 1081115), (23, 940100), (25, 864892), (28, 772225), (34, 635950), (35, 617780), (46, 470050), (50, 432446), (68, 317975), (70, 308890), (79, 273700), (85, 254380), (92, 235025), (100, 216223), (115, 188020), (119, 181700), (140, 154445), (158, 136850), (161, 134300), (170, 127190), (175, 123556), (230, 94010), (238, 90850), (316, 68425), (322, 67150), (340, 63595), (350, 61778), (391, 55300), (395, 54740), (425, 50876), (460, 47005), (476, 45425), (553, 39100), (575, 37604), (595, 36340), (644, 33575), (700, 30889), (782, 27650), (790, 27370), (805, 26860), (850, 25438), (1106, 19550), (1150, 18802), (1190, 18170), (1343, 16100), (1564, 13825), (1580, 13685), (1610, 13430), (1700, 12719), (1817, 11900), (1955, 11060), (1975, 10948), (2212, 9775), (2300, 9401), (2380, 9085), (2686, 8050), (2737, 7900), (2765, 7820), (2975, 7268), (3220, 6715), (3634, 5950), (3910, 5530), (3950, 5474), (4025, 5372)]