21207531816

素因数分解:

$2^3\times 3^2\times {\mathrm{61}}^1\times {\mathrm{1069}}^1\times {\mathrm{4517}}^1$

素因数の和:5659

約数の個数: 96

約数和(自身を含む): 58446203400

約数和(自身を除く): 37238671584

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 61, 72, 122, 183, 244, 366, 488, 549, 732, 1069, 1098, 1464, 2138, 2196, 3207, 4276, 4392, 4517, 6414, 8552, 9034, 9621, 12828, 13551, 18068, 19242, 25656, 27102, 36136, 38484, 40653, 54204, 65209, 76968, 81306, 108408, 130418, 162612, 195627, 260836, 275537, 325224, 391254, 521672, 551074, 586881, 782508, 826611, 1102148, 1173762, 1565016, 1653222, 2204296, 2347524, 2479833, 3306444, 4695048, 4828673, 4959666, 6612888, 9657346, 9919332, 14486019, 19314692, 19838664, 28972038, 38629384, 43458057, 57944076, 86916114, 115888152, 173832228, 294549053, 347664456, 589098106, 883647159, 1178196212, 1767294318, 2356392424, 2650941477, 3534588636, 5301882954, 7069177272, 10603765908, 21207531816]

約数ペア:

[(1, 21207531816), (2, 10603765908), (3, 7069177272), (4, 5301882954), (6, 3534588636), (8, 2650941477), (9, 2356392424), (12, 1767294318), (18, 1178196212), (24, 883647159), (36, 589098106), (61, 347664456), (72, 294549053), (122, 173832228), (183, 115888152), (244, 86916114), (366, 57944076), (488, 43458057), (549, 38629384), (732, 28972038), (1069, 19838664), (1098, 19314692), (1464, 14486019), (2138, 9919332), (2196, 9657346), (3207, 6612888), (4276, 4959666), (4392, 4828673), (4517, 4695048), (6414, 3306444), (8552, 2479833), (9034, 2347524), (9621, 2204296), (12828, 1653222), (13551, 1565016), (18068, 1173762), (19242, 1102148), (25656, 826611), (27102, 782508), (36136, 586881), (38484, 551074), (40653, 521672), (54204, 391254), (65209, 325224), (76968, 275537), (81306, 260836), (108408, 195627), (130418, 162612)]