21416427376

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{2371}}^1\times {\mathrm{18211}}^1$

素因数の和:20621

約数の個数: 40

約数和(自身を含む): 42853273088

約数和(自身を除く): 21436845712

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 2371, 4742, 9484, 18211, 18968, 36422, 37936, 72844, 73501, 145688, 147002, 291376, 294004, 564541, 588008, 1129082, 1176016, 2258164, 4516328, 9032656, 43178281, 86356562, 172713124, 345426248, 690852496, 1338526711, 2677053422, 5354106844, 10708213688, 21416427376]

約数ペア:

[(1, 21416427376), (2, 10708213688), (4, 5354106844), (8, 2677053422), (16, 1338526711), (31, 690852496), (62, 345426248), (124, 172713124), (248, 86356562), (496, 43178281), (2371, 9032656), (4742, 4516328), (9484, 2258164), (18211, 1176016), (18968, 1129082), (36422, 588008), (37936, 564541), (72844, 294004), (73501, 291376), (145688, 147002)]