21147592

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{1187}}^1$

素因数の和:1341

約数の個数: 32

約数和(自身を含む): 42340320

約数和(自身を除く): 21192728

約数列:

[1, 2, 4, 8, 17, 34, 68, 131, 136, 262, 524, 1048, 1187, 2227, 2374, 4454, 4748, 8908, 9496, 17816, 20179, 40358, 80716, 155497, 161432, 310994, 621988, 1243976, 2643449, 5286898, 10573796, 21147592]

約数ペア:

[(1, 21147592), (2, 10573796), (4, 5286898), (8, 2643449), (17, 1243976), (34, 621988), (68, 310994), (131, 161432), (136, 155497), (262, 80716), (524, 40358), (1048, 20179), (1187, 17816), (2227, 9496), (2374, 8908), (4454, 4748)]