21877050

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{863}}^1$

素因数の和:904

約数の個数: 72

約数和(自身を含む): 58817664

約数和(自身を除く): 36940614

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 130, 150, 169, 195, 325, 338, 390, 507, 650, 845, 863, 975, 1014, 1690, 1726, 1950, 2535, 2589, 4225, 4315, 5070, 5178, 8450, 8630, 11219, 12675, 12945, 21575, 22438, 25350, 25890, 33657, 43150, 56095, 64725, 67314, 112190, 129450, 145847, 168285, 280475, 291694, 336570, 437541, 560950, 729235, 841425, 875082, 1458470, 1682850, 2187705, 3646175, 4375410, 7292350, 10938525, 21877050]

約数ペア:

[(1, 21877050), (2, 10938525), (3, 7292350), (5, 4375410), (6, 3646175), (10, 2187705), (13, 1682850), (15, 1458470), (25, 875082), (26, 841425), (30, 729235), (39, 560950), (50, 437541), (65, 336570), (75, 291694), (78, 280475), (130, 168285), (150, 145847), (169, 129450), (195, 112190), (325, 67314), (338, 64725), (390, 56095), (507, 43150), (650, 33657), (845, 25890), (863, 25350), (975, 22438), (1014, 21575), (1690, 12945), (1726, 12675), (1950, 11219), (2535, 8630), (2589, 8450), (4225, 5178), (4315, 5070)]