21977264

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{751}}^1$

素因数の和:849

約数の個数: 40

約数和(自身を含む): 44759040

約数和(自身を除く): 22781776

約数列:

[1, 2, 4, 8, 16, 31, 59, 62, 118, 124, 236, 248, 472, 496, 751, 944, 1502, 1829, 3004, 3658, 6008, 7316, 12016, 14632, 23281, 29264, 44309, 46562, 88618, 93124, 177236, 186248, 354472, 372496, 708944, 1373579, 2747158, 5494316, 10988632, 21977264]

約数ペア:

[(1, 21977264), (2, 10988632), (4, 5494316), (8, 2747158), (16, 1373579), (31, 708944), (59, 372496), (62, 354472), (118, 186248), (124, 177236), (236, 93124), (248, 88618), (472, 46562), (496, 44309), (751, 29264), (944, 23281), (1502, 14632), (1829, 12016), (3004, 7316), (3658, 6008)]