21972832

素因数分解:

$2^5\times 7^1\times {\mathrm{233}}^1\times {\mathrm{421}}^1$

素因数の和:671

約数の個数: 48

約数和(自身を含む): 49768992

約数和(自身を除く): 27796160

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 233, 421, 466, 842, 932, 1631, 1684, 1864, 2947, 3262, 3368, 3728, 5894, 6524, 6736, 7456, 11788, 13048, 13472, 23576, 26096, 47152, 52192, 94304, 98093, 196186, 392372, 686651, 784744, 1373302, 1569488, 2746604, 3138976, 5493208, 10986416, 21972832]

約数ペア:

[(1, 21972832), (2, 10986416), (4, 5493208), (7, 3138976), (8, 2746604), (14, 1569488), (16, 1373302), (28, 784744), (32, 686651), (56, 392372), (112, 196186), (224, 98093), (233, 94304), (421, 52192), (466, 47152), (842, 26096), (932, 23576), (1631, 13472), (1684, 13048), (1864, 11788), (2947, 7456), (3262, 6736), (3368, 6524), (3728, 5894)]