21139688447

素因数分解:

${\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{383}}^1\times {\mathrm{821}}^1$

素因数の和:1343

約数の個数: 32

約数和(自身を含む): 23029678080

約数和(自身を除く): 1889989633

約数列:

[1, 23, 37, 79, 383, 821, 851, 1817, 2923, 8809, 14171, 18883, 30257, 30377, 64859, 67229, 314443, 325933, 695911, 698671, 1119509, 1491757, 2399783, 7232189, 11634391, 24840997, 25748707, 55195009, 267590993, 571342931, 919116889, 21139688447]

約数ペア:

[(1, 21139688447), (23, 919116889), (37, 571342931), (79, 267590993), (383, 55195009), (821, 25748707), (851, 24840997), (1817, 11634391), (2923, 7232189), (8809, 2399783), (14171, 1491757), (18883, 1119509), (30257, 698671), (30377, 695911), (64859, 325933), (67229, 314443)]