21941790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{443}}^1$

素因数の和:593

約数の個数: 64

約数和(自身を含む): 57286656

約数和(自身を除く): 35344866

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 127, 130, 195, 254, 381, 390, 443, 635, 762, 886, 1270, 1329, 1651, 1905, 2215, 2658, 3302, 3810, 4430, 4953, 5759, 6645, 8255, 9906, 11518, 13290, 16510, 17277, 24765, 28795, 34554, 49530, 56261, 57590, 86385, 112522, 168783, 172770, 281305, 337566, 562610, 731393, 843915, 1462786, 1687830, 2194179, 3656965, 4388358, 7313930, 10970895, 21941790]

約数ペア:

[(1, 21941790), (2, 10970895), (3, 7313930), (5, 4388358), (6, 3656965), (10, 2194179), (13, 1687830), (15, 1462786), (26, 843915), (30, 731393), (39, 562610), (65, 337566), (78, 281305), (127, 172770), (130, 168783), (195, 112522), (254, 86385), (381, 57590), (390, 56261), (443, 49530), (635, 34554), (762, 28795), (886, 24765), (1270, 17277), (1329, 16510), (1651, 13290), (1905, 11518), (2215, 9906), (2658, 8255), (3302, 6645), (3810, 5759), (4430, 4953)]