21005429232

素因数分解:

$2^4\times 3^1\times {\mathrm{163}}^1\times {\mathrm{2684743}}^1$

素因数の和:2684917

約数の個数: 40

約数和(自身を含む): 54596953984

約数和(自身を除く): 33591524752

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 163, 326, 489, 652, 978, 1304, 1956, 2608, 3912, 7824, 2684743, 5369486, 8054229, 10738972, 16108458, 21477944, 32216916, 42955888, 64433832, 128867664, 437613109, 875226218, 1312839327, 1750452436, 2625678654, 3500904872, 5251357308, 7001809744, 10502714616, 21005429232]

約数ペア:

[(1, 21005429232), (2, 10502714616), (3, 7001809744), (4, 5251357308), (6, 3500904872), (8, 2625678654), (12, 1750452436), (16, 1312839327), (24, 875226218), (48, 437613109), (163, 128867664), (326, 64433832), (489, 42955888), (652, 32216916), (978, 21477944), (1304, 16108458), (1956, 10738972), (2608, 8054229), (3912, 5369486), (7824, 2684743)]