21337140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{2939}}^1$

素因数の和:2973

約数の個数: 72

約数和(自身を含む): 65691360

約数和(自身を除く): 44354220

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 121, 132, 165, 220, 242, 330, 363, 484, 605, 660, 726, 1210, 1452, 1815, 2420, 2939, 3630, 5878, 7260, 8817, 11756, 14695, 17634, 29390, 32329, 35268, 44085, 58780, 64658, 88170, 96987, 129316, 161645, 176340, 193974, 323290, 355619, 387948, 484935, 646580, 711238, 969870, 1066857, 1422476, 1778095, 1939740, 2133714, 3556190, 4267428, 5334285, 7112380, 10668570, 21337140]

約数ペア:

[(1, 21337140), (2, 10668570), (3, 7112380), (4, 5334285), (5, 4267428), (6, 3556190), (10, 2133714), (11, 1939740), (12, 1778095), (15, 1422476), (20, 1066857), (22, 969870), (30, 711238), (33, 646580), (44, 484935), (55, 387948), (60, 355619), (66, 323290), (110, 193974), (121, 176340), (132, 161645), (165, 129316), (220, 96987), (242, 88170), (330, 64658), (363, 58780), (484, 44085), (605, 35268), (660, 32329), (726, 29390), (1210, 17634), (1452, 14695), (1815, 11756), (2420, 8817), (2939, 7260), (3630, 5878)]