21134430

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{449}}^1\times {\mathrm{523}}^1$

素因数の和:985

約数の個数: 48

約数和(自身を含む): 55177200

約数和(自身を除く): 34042770

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 449, 523, 898, 1046, 1347, 1569, 2245, 2615, 2694, 3138, 4041, 4490, 4707, 5230, 6735, 7845, 8082, 9414, 13470, 15690, 20205, 23535, 40410, 47070, 234827, 469654, 704481, 1174135, 1408962, 2113443, 2348270, 3522405, 4226886, 7044810, 10567215, 21134430]

約数ペア:

[(1, 21134430), (2, 10567215), (3, 7044810), (5, 4226886), (6, 3522405), (9, 2348270), (10, 2113443), (15, 1408962), (18, 1174135), (30, 704481), (45, 469654), (90, 234827), (449, 47070), (523, 40410), (898, 23535), (1046, 20205), (1347, 15690), (1569, 13470), (2245, 9414), (2615, 8082), (2694, 7845), (3138, 6735), (4041, 5230), (4490, 4707)]