21717384

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1481}}^1$

素因数の和:1550

約数の個数: 64

約数和(自身を含む): 59754240

約数和(自身を除く): 38036856

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 47, 52, 78, 94, 104, 141, 156, 188, 282, 312, 376, 564, 611, 1128, 1222, 1481, 1833, 2444, 2962, 3666, 4443, 4888, 5924, 7332, 8886, 11848, 14664, 17772, 19253, 35544, 38506, 57759, 69607, 77012, 115518, 139214, 154024, 208821, 231036, 278428, 417642, 462072, 556856, 835284, 904891, 1670568, 1809782, 2714673, 3619564, 5429346, 7239128, 10858692, 21717384]

約数ペア:

[(1, 21717384), (2, 10858692), (3, 7239128), (4, 5429346), (6, 3619564), (8, 2714673), (12, 1809782), (13, 1670568), (24, 904891), (26, 835284), (39, 556856), (47, 462072), (52, 417642), (78, 278428), (94, 231036), (104, 208821), (141, 154024), (156, 139214), (188, 115518), (282, 77012), (312, 69607), (376, 57759), (564, 38506), (611, 35544), (1128, 19253), (1222, 17772), (1481, 14664), (1833, 11848), (2444, 8886), (2962, 7332), (3666, 5924), (4443, 4888)]