21304776

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^2\times {\mathrm{2459}}^1$

素因数の和:2506

約数の個数: 48

約数和(自身を含む): 56235600

約数和(自身を除く): 34930824

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 114, 152, 228, 361, 456, 722, 1083, 1444, 2166, 2459, 2888, 4332, 4918, 7377, 8664, 9836, 14754, 19672, 29508, 46721, 59016, 93442, 140163, 186884, 280326, 373768, 560652, 887699, 1121304, 1775398, 2663097, 3550796, 5326194, 7101592, 10652388, 21304776]

約数ペア:

[(1, 21304776), (2, 10652388), (3, 7101592), (4, 5326194), (6, 3550796), (8, 2663097), (12, 1775398), (19, 1121304), (24, 887699), (38, 560652), (57, 373768), (76, 280326), (114, 186884), (152, 140163), (228, 93442), (361, 59016), (456, 46721), (722, 29508), (1083, 19672), (1444, 14754), (2166, 9836), (2459, 8664), (2888, 7377), (4332, 4918)]