21740654

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{487}}^1$

素因数の和:620

約数の個数: 32

約数和(自身を含む): 37630656

約数和(自身を除く): 15890002

約数列:

[1, 2, 13, 17, 26, 34, 101, 202, 221, 442, 487, 974, 1313, 1717, 2626, 3434, 6331, 8279, 12662, 16558, 22321, 44642, 49187, 98374, 107627, 215254, 639431, 836179, 1278862, 1672358, 10870327, 21740654]

約数ペア:

[(1, 21740654), (2, 10870327), (13, 1672358), (17, 1278862), (26, 836179), (34, 639431), (101, 215254), (202, 107627), (221, 98374), (442, 49187), (487, 44642), (974, 22321), (1313, 16558), (1717, 12662), (2626, 8279), (3434, 6331)]