21994126

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{569}}^1$

素因数の和:840

約数の個数: 32

約数和(自身を含む): 41368320

約数和(自身を除く): 19374194

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 251, 502, 569, 1138, 1757, 2761, 3514, 3983, 5522, 6259, 7966, 12518, 19327, 38654, 43813, 87626, 142819, 285638, 999733, 1571009, 1999466, 3142018, 10997063, 21994126]

約数ペア:

[(1, 21994126), (2, 10997063), (7, 3142018), (11, 1999466), (14, 1571009), (22, 999733), (77, 285638), (154, 142819), (251, 87626), (502, 43813), (569, 38654), (1138, 19327), (1757, 12518), (2761, 7966), (3514, 6259), (3983, 5522)]