21000657648

素因数分解:

$2^4\times 3^1\times {\mathrm{1951}}^1\times {\mathrm{224251}}^1$

素因数の和:226213

約数の個数: 40

約数和(自身を含む): 54279748096

約数和(自身を除く): 33279090448

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 1951, 3902, 5853, 7804, 11706, 15608, 23412, 31216, 46824, 93648, 224251, 448502, 672753, 897004, 1345506, 1794008, 2691012, 3588016, 5382024, 10764048, 437513701, 875027402, 1312541103, 1750054804, 2625082206, 3500109608, 5250164412, 7000219216, 10500328824, 21000657648]

約数ペア:

[(1, 21000657648), (2, 10500328824), (3, 7000219216), (4, 5250164412), (6, 3500109608), (8, 2625082206), (12, 1750054804), (16, 1312541103), (24, 875027402), (48, 437513701), (1951, 10764048), (3902, 5382024), (5853, 3588016), (7804, 2691012), (11706, 1794008), (15608, 1345506), (23412, 897004), (31216, 672753), (46824, 448502), (93648, 224251)]