21076380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9007}}^1$

素因数の和:9035

約数の個数: 72

約数和(自身を含む): 68857152

約数和(自身を除く): 47780772

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 9007, 18014, 27021, 36028, 45035, 54042, 81063, 90070, 108084, 117091, 135105, 162126, 180140, 234182, 270210, 324252, 351273, 405315, 468364, 540420, 585455, 702546, 810630, 1053819, 1170910, 1405092, 1621260, 1756365, 2107638, 2341820, 3512730, 4215276, 5269095, 7025460, 10538190, 21076380]

約数ペア:

[(1, 21076380), (2, 10538190), (3, 7025460), (4, 5269095), (5, 4215276), (6, 3512730), (9, 2341820), (10, 2107638), (12, 1756365), (13, 1621260), (15, 1405092), (18, 1170910), (20, 1053819), (26, 810630), (30, 702546), (36, 585455), (39, 540420), (45, 468364), (52, 405315), (60, 351273), (65, 324252), (78, 270210), (90, 234182), (117, 180140), (130, 162126), (156, 135105), (180, 117091), (195, 108084), (234, 90070), (260, 81063), (390, 54042), (468, 45035), (585, 36028), (780, 27021), (1170, 18014), (2340, 9007)]