21571470

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{613}}^1$

素因数の和:666

約数の個数: 96

約数和(自身を含む): 62068032

約数和(自身を除く): 40496562

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 23, 30, 34, 45, 46, 51, 69, 85, 90, 102, 115, 138, 153, 170, 207, 230, 255, 306, 345, 391, 414, 510, 613, 690, 765, 782, 1035, 1173, 1226, 1530, 1839, 1955, 2070, 2346, 3065, 3519, 3678, 3910, 5517, 5865, 6130, 7038, 9195, 10421, 11034, 11730, 14099, 17595, 18390, 20842, 27585, 28198, 31263, 35190, 42297, 52105, 55170, 62526, 70495, 84594, 93789, 104210, 126891, 140990, 156315, 187578, 211485, 239683, 253782, 312630, 422970, 468945, 479366, 634455, 719049, 937890, 1198415, 1268910, 1438098, 2157147, 2396830, 3595245, 4314294, 7190490, 10785735, 21571470]

約数ペア:

[(1, 21571470), (2, 10785735), (3, 7190490), (5, 4314294), (6, 3595245), (9, 2396830), (10, 2157147), (15, 1438098), (17, 1268910), (18, 1198415), (23, 937890), (30, 719049), (34, 634455), (45, 479366), (46, 468945), (51, 422970), (69, 312630), (85, 253782), (90, 239683), (102, 211485), (115, 187578), (138, 156315), (153, 140990), (170, 126891), (207, 104210), (230, 93789), (255, 84594), (306, 70495), (345, 62526), (391, 55170), (414, 52105), (510, 42297), (613, 35190), (690, 31263), (765, 28198), (782, 27585), (1035, 20842), (1173, 18390), (1226, 17595), (1530, 14099), (1839, 11730), (1955, 11034), (2070, 10421), (2346, 9195), (3065, 7038), (3519, 6130), (3678, 5865), (3910, 5517)]