21650772

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:110

約数の個数: 144

約数和(自身を含む): 63397376

約数和(自身を除く): 41746604

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 26, 31, 33, 37, 39, 44, 52, 62, 66, 74, 78, 93, 111, 121, 124, 132, 143, 148, 156, 186, 222, 242, 286, 341, 363, 372, 403, 407, 429, 444, 481, 484, 572, 682, 726, 806, 814, 858, 962, 1023, 1147, 1209, 1221, 1364, 1443, 1452, 1573, 1612, 1628, 1716, 1924, 2046, 2294, 2418, 2442, 2886, 3146, 3441, 3751, 4092, 4433, 4477, 4588, 4719, 4836, 4884, 5291, 5772, 6292, 6882, 7502, 8866, 8954, 9438, 10582, 11253, 12617, 13299, 13431, 13764, 14911, 15004, 15873, 17732, 17908, 18876, 21164, 22506, 25234, 26598, 26862, 29822, 31746, 37851, 44733, 45012, 48763, 50468, 53196, 53724, 58201, 59644, 63492, 75702, 89466, 97526, 116402, 138787, 146289, 151404, 164021, 174603, 178932, 195052, 232804, 277574, 292578, 328042, 349206, 416361, 492063, 555148, 585156, 656084, 698412, 832722, 984126, 1665444, 1804231, 1968252, 3608462, 5412693, 7216924, 10825386, 21650772]

約数ペア:

[(1, 21650772), (2, 10825386), (3, 7216924), (4, 5412693), (6, 3608462), (11, 1968252), (12, 1804231), (13, 1665444), (22, 984126), (26, 832722), (31, 698412), (33, 656084), (37, 585156), (39, 555148), (44, 492063), (52, 416361), (62, 349206), (66, 328042), (74, 292578), (78, 277574), (93, 232804), (111, 195052), (121, 178932), (124, 174603), (132, 164021), (143, 151404), (148, 146289), (156, 138787), (186, 116402), (222, 97526), (242, 89466), (286, 75702), (341, 63492), (363, 59644), (372, 58201), (403, 53724), (407, 53196), (429, 50468), (444, 48763), (481, 45012), (484, 44733), (572, 37851), (682, 31746), (726, 29822), (806, 26862), (814, 26598), (858, 25234), (962, 22506), (1023, 21164), (1147, 18876), (1209, 17908), (1221, 17732), (1364, 15873), (1443, 15004), (1452, 14911), (1573, 13764), (1612, 13431), (1628, 13299), (1716, 12617), (1924, 11253), (2046, 10582), (2294, 9438), (2418, 8954), (2442, 8866), (2886, 7502), (3146, 6882), (3441, 6292), (3751, 5772), (4092, 5291), (4433, 4884), (4477, 4836), (4588, 4719)]