21134555380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{18911}}^1$

素因数の和:19129

約数の個数: 96

約数和(自身を含む): 49755202560

約数和(自身を除く): 28620647180

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 173, 190, 323, 340, 346, 380, 646, 692, 865, 1292, 1615, 1730, 2941, 3230, 3287, 3460, 5882, 6460, 6574, 11764, 13148, 14705, 16435, 18911, 29410, 32870, 37822, 55879, 58820, 65740, 75644, 94555, 111758, 189110, 223516, 279395, 321487, 359309, 378220, 558790, 642974, 718618, 1117580, 1285948, 1437236, 1607435, 1796545, 3214870, 3271603, 3593090, 6108253, 6429740, 6543206, 7186180, 12216506, 13086412, 16358015, 24433012, 30541265, 32716030, 55617251, 61082530, 62160457, 65432060, 111234502, 122165060, 124320914, 222469004, 248641828, 278086255, 310802285, 556172510, 621604570, 1056727769, 1112345020, 1243209140, 2113455538, 4226911076, 5283638845, 10567277690, 21134555380]

約数ペア:

[(1, 21134555380), (2, 10567277690), (4, 5283638845), (5, 4226911076), (10, 2113455538), (17, 1243209140), (19, 1112345020), (20, 1056727769), (34, 621604570), (38, 556172510), (68, 310802285), (76, 278086255), (85, 248641828), (95, 222469004), (170, 124320914), (173, 122165060), (190, 111234502), (323, 65432060), (340, 62160457), (346, 61082530), (380, 55617251), (646, 32716030), (692, 30541265), (865, 24433012), (1292, 16358015), (1615, 13086412), (1730, 12216506), (2941, 7186180), (3230, 6543206), (3287, 6429740), (3460, 6108253), (5882, 3593090), (6460, 3271603), (6574, 3214870), (11764, 1796545), (13148, 1607435), (14705, 1437236), (16435, 1285948), (18911, 1117580), (29410, 718618), (32870, 642974), (37822, 558790), (55879, 378220), (58820, 359309), (65740, 321487), (75644, 279395), (94555, 223516), (111758, 189110)]