21329220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1901}}^1$

素因数の和:1941

約数の個数: 96

約数和(自身を含む): 69019776

約数和(自身を除く): 47690556

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 17, 20, 22, 30, 33, 34, 44, 51, 55, 60, 66, 68, 85, 102, 110, 132, 165, 170, 187, 204, 220, 255, 330, 340, 374, 510, 561, 660, 748, 935, 1020, 1122, 1870, 1901, 2244, 2805, 3740, 3802, 5610, 5703, 7604, 9505, 11220, 11406, 19010, 20911, 22812, 28515, 32317, 38020, 41822, 57030, 62733, 64634, 83644, 96951, 104555, 114060, 125466, 129268, 161585, 193902, 209110, 250932, 313665, 323170, 355487, 387804, 418220, 484755, 627330, 646340, 710974, 969510, 1066461, 1254660, 1421948, 1777435, 1939020, 2132922, 3554870, 4265844, 5332305, 7109740, 10664610, 21329220]

約数ペア:

[(1, 21329220), (2, 10664610), (3, 7109740), (4, 5332305), (5, 4265844), (6, 3554870), (10, 2132922), (11, 1939020), (12, 1777435), (15, 1421948), (17, 1254660), (20, 1066461), (22, 969510), (30, 710974), (33, 646340), (34, 627330), (44, 484755), (51, 418220), (55, 387804), (60, 355487), (66, 323170), (68, 313665), (85, 250932), (102, 209110), (110, 193902), (132, 161585), (165, 129268), (170, 125466), (187, 114060), (204, 104555), (220, 96951), (255, 83644), (330, 64634), (340, 62733), (374, 57030), (510, 41822), (561, 38020), (660, 32317), (748, 28515), (935, 22812), (1020, 20911), (1122, 19010), (1870, 11406), (1901, 11220), (2244, 9505), (2805, 7604), (3740, 5703), (3802, 5610)]