21958048

素因数分解:

$2^5\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1607}}^1$

素因数の和:1685

約数の個数: 48

約数和(自身を含む): 50246784

約数和(自身を除く): 28288736

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 61, 112, 122, 224, 244, 427, 488, 854, 976, 1607, 1708, 1952, 3214, 3416, 6428, 6832, 11249, 12856, 13664, 22498, 25712, 44996, 51424, 89992, 98027, 179984, 196054, 359968, 392108, 686189, 784216, 1372378, 1568432, 2744756, 3136864, 5489512, 10979024, 21958048]

約数ペア:

[(1, 21958048), (2, 10979024), (4, 5489512), (7, 3136864), (8, 2744756), (14, 1568432), (16, 1372378), (28, 784216), (32, 686189), (56, 392108), (61, 359968), (112, 196054), (122, 179984), (224, 98027), (244, 89992), (427, 51424), (488, 44996), (854, 25712), (976, 22498), (1607, 13664), (1708, 12856), (1952, 11249), (3214, 6832), (3416, 6428)]