21167123922

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{313}}^1\times {\mathrm{536719}}^1$

素因数の和:537047

約数の個数: 48

約数和(自身を含む): 52581384960

約数和(自身を除く): 31414261038

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 313, 626, 939, 1878, 2191, 2817, 4382, 5634, 6573, 13146, 19719, 39438, 536719, 1073438, 1610157, 3220314, 3757033, 4830471, 7514066, 9660942, 11271099, 22542198, 33813297, 67626594, 167993047, 335986094, 503979141, 1007958282, 1175951329, 1511937423, 2351902658, 3023874846, 3527853987, 7055707974, 10583561961, 21167123922]

約数ペア:

[(1, 21167123922), (2, 10583561961), (3, 7055707974), (6, 3527853987), (7, 3023874846), (9, 2351902658), (14, 1511937423), (18, 1175951329), (21, 1007958282), (42, 503979141), (63, 335986094), (126, 167993047), (313, 67626594), (626, 33813297), (939, 22542198), (1878, 11271099), (2191, 9660942), (2817, 7514066), (4382, 4830471), (5634, 3757033), (6573, 3220314), (13146, 1610157), (19719, 1073438), (39438, 536719)]