21471512

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1913}}^1$

素因数の和:2003

約数の個数: 32

約数和(自身を含む): 42720480

約数和(自身を除く): 21248968

約数列:

[1, 2, 4, 8, 23, 46, 61, 92, 122, 184, 244, 488, 1403, 1913, 2806, 3826, 5612, 7652, 11224, 15304, 43999, 87998, 116693, 175996, 233386, 351992, 466772, 933544, 2683939, 5367878, 10735756, 21471512]

約数ペア:

[(1, 21471512), (2, 10735756), (4, 5367878), (8, 2683939), (23, 933544), (46, 466772), (61, 351992), (92, 233386), (122, 175996), (184, 116693), (244, 87998), (488, 43999), (1403, 15304), (1913, 11224), (2806, 7652), (3826, 5612)]