21322710

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{151}}^1\times {\mathrm{523}}^1$

素因数の和:690

約数の個数: 64

約数和(自身を含む): 57346560

約数和(自身を除く): 36023850

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 151, 270, 302, 453, 523, 755, 906, 1046, 1359, 1510, 1569, 2265, 2615, 2718, 3138, 4077, 4530, 4707, 5230, 6795, 7845, 8154, 9414, 13590, 14121, 15690, 20385, 23535, 28242, 40770, 47070, 70605, 78973, 141210, 157946, 236919, 394865, 473838, 710757, 789730, 1184595, 1421514, 2132271, 2369190, 3553785, 4264542, 7107570, 10661355, 21322710]

約数ペア:

[(1, 21322710), (2, 10661355), (3, 7107570), (5, 4264542), (6, 3553785), (9, 2369190), (10, 2132271), (15, 1421514), (18, 1184595), (27, 789730), (30, 710757), (45, 473838), (54, 394865), (90, 236919), (135, 157946), (151, 141210), (270, 78973), (302, 70605), (453, 47070), (523, 40770), (755, 28242), (906, 23535), (1046, 20385), (1359, 15690), (1510, 14121), (1569, 13590), (2265, 9414), (2615, 8154), (2718, 7845), (3138, 6795), (4077, 5230), (4530, 4707)]