21167976978

素因数分解:

$2^1\times 3^2\times {\mathrm{151}}^1\times {\mathrm{379}}^1\times {\mathrm{20549}}^1$

素因数の和:21087

約数の個数: 48

約数和(自身を含む): 46291752000

約数和(自身を除く): 25123775022

約数列:

[1, 2, 3, 6, 9, 18, 151, 302, 379, 453, 758, 906, 1137, 1359, 2274, 2718, 3411, 6822, 20549, 41098, 57229, 61647, 114458, 123294, 171687, 184941, 343374, 369882, 515061, 1030122, 3102899, 6205798, 7788071, 9308697, 15576142, 18617394, 23364213, 27926091, 46728426, 55852182, 70092639, 140185278, 1175998721, 2351997442, 3527996163, 7055992326, 10583988489, 21167976978]

約数ペア:

[(1, 21167976978), (2, 10583988489), (3, 7055992326), (6, 3527996163), (9, 2351997442), (18, 1175998721), (151, 140185278), (302, 70092639), (379, 55852182), (453, 46728426), (758, 27926091), (906, 23364213), (1137, 18617394), (1359, 15576142), (2274, 9308697), (2718, 7788071), (3411, 6205798), (6822, 3102899), (20549, 1030122), (41098, 515061), (57229, 369882), (61647, 343374), (114458, 184941), (123294, 171687)]