21969204

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{809}}^1$

素因数の和:920

約数の個数: 48

約数和(自身を含む): 53706240

約数和(自身を除く): 31737036

約数列:

[1, 2, 3, 4, 6, 12, 31, 62, 73, 93, 124, 146, 186, 219, 292, 372, 438, 809, 876, 1618, 2263, 2427, 3236, 4526, 4854, 6789, 9052, 9708, 13578, 25079, 27156, 50158, 59057, 75237, 100316, 118114, 150474, 177171, 236228, 300948, 354342, 708684, 1830767, 3661534, 5492301, 7323068, 10984602, 21969204]

約数ペア:

[(1, 21969204), (2, 10984602), (3, 7323068), (4, 5492301), (6, 3661534), (12, 1830767), (31, 708684), (62, 354342), (73, 300948), (93, 236228), (124, 177171), (146, 150474), (186, 118114), (219, 100316), (292, 75237), (372, 59057), (438, 50158), (809, 27156), (876, 25079), (1618, 13578), (2263, 9708), (2427, 9052), (3236, 6789), (4526, 4854)]