21366180

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{109}}^1$

素因数の和:152

約数の個数: 180

約数和(自身を含む): 74349660

約数和(自身を除く): 52983480

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 44, 45, 54, 55, 60, 66, 81, 90, 99, 108, 109, 110, 121, 132, 135, 162, 165, 180, 198, 218, 220, 242, 270, 297, 324, 327, 330, 363, 396, 405, 436, 484, 495, 540, 545, 594, 605, 654, 660, 726, 810, 891, 981, 990, 1089, 1090, 1188, 1199, 1210, 1308, 1452, 1485, 1620, 1635, 1782, 1815, 1962, 1980, 2178, 2180, 2398, 2420, 2943, 2970, 3267, 3270, 3564, 3597, 3630, 3924, 4356, 4455, 4796, 4905, 5445, 5886, 5940, 5995, 6534, 6540, 7194, 7260, 8829, 8910, 9801, 9810, 10791, 10890, 11772, 11990, 13068, 13189, 14388, 14715, 16335, 17658, 17820, 17985, 19602, 19620, 21582, 21780, 23980, 26378, 29430, 32373, 32670, 35316, 35970, 39204, 39567, 43164, 44145, 49005, 52756, 53955, 58860, 64746, 65340, 65945, 71940, 79134, 88290, 97119, 98010, 107910, 118701, 129492, 131890, 158268, 161865, 176580, 194238, 196020, 197835, 215820, 237402, 263780, 323730, 356103, 388476, 395670, 474804, 485595, 593505, 647460, 712206, 791340, 971190, 1068309, 1187010, 1424412, 1780515, 1942380, 2136618, 2374020, 3561030, 4273236, 5341545, 7122060, 10683090, 21366180]

約数ペア:

[(1, 21366180), (2, 10683090), (3, 7122060), (4, 5341545), (5, 4273236), (6, 3561030), (9, 2374020), (10, 2136618), (11, 1942380), (12, 1780515), (15, 1424412), (18, 1187010), (20, 1068309), (22, 971190), (27, 791340), (30, 712206), (33, 647460), (36, 593505), (44, 485595), (45, 474804), (54, 395670), (55, 388476), (60, 356103), (66, 323730), (81, 263780), (90, 237402), (99, 215820), (108, 197835), (109, 196020), (110, 194238), (121, 176580), (132, 161865), (135, 158268), (162, 131890), (165, 129492), (180, 118701), (198, 107910), (218, 98010), (220, 97119), (242, 88290), (270, 79134), (297, 71940), (324, 65945), (327, 65340), (330, 64746), (363, 58860), (396, 53955), (405, 52756), (436, 49005), (484, 44145), (495, 43164), (540, 39567), (545, 39204), (594, 35970), (605, 35316), (654, 32670), (660, 32373), (726, 29430), (810, 26378), (891, 23980), (981, 21780), (990, 21582), (1089, 19620), (1090, 19602), (1188, 17985), (1199, 17820), (1210, 17658), (1308, 16335), (1452, 14715), (1485, 14388), (1620, 13189), (1635, 13068), (1782, 11990), (1815, 11772), (1962, 10890), (1980, 10791), (2178, 9810), (2180, 9801), (2398, 8910), (2420, 8829), (2943, 7260), (2970, 7194), (3267, 6540), (3270, 6534), (3564, 5995), (3597, 5940), (3630, 5886), (3924, 5445), (4356, 4905), (4455, 4796)]