21460928

素因数分解:

$2^6\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{373}}^1$

素因数の和:445

約数の個数: 56

約数和(自身を含む): 45598080

約数和(自身を除く): 24137152

約数列:

[1, 2, 4, 8, 16, 29, 31, 32, 58, 62, 64, 116, 124, 232, 248, 373, 464, 496, 746, 899, 928, 992, 1492, 1798, 1856, 1984, 2984, 3596, 5968, 7192, 10817, 11563, 11936, 14384, 21634, 23126, 23872, 28768, 43268, 46252, 57536, 86536, 92504, 173072, 185008, 335327, 346144, 370016, 670654, 692288, 740032, 1341308, 2682616, 5365232, 10730464, 21460928]

約数ペア:

[(1, 21460928), (2, 10730464), (4, 5365232), (8, 2682616), (16, 1341308), (29, 740032), (31, 692288), (32, 670654), (58, 370016), (62, 346144), (64, 335327), (116, 185008), (124, 173072), (232, 92504), (248, 86536), (373, 57536), (464, 46252), (496, 43268), (746, 28768), (899, 23872), (928, 23126), (992, 21634), (1492, 14384), (1798, 11936), (1856, 11563), (1984, 10817), (2984, 7192), (3596, 5968)]