21213824

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{9749}}^1$

素因数の和:9780

約数の個数: 32

約数和(自身を含む): 44752500

約数和(自身を除く): 23538676

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 272, 544, 1088, 2176, 9749, 19498, 38996, 77992, 155984, 165733, 311968, 331466, 623936, 662932, 1247872, 1325864, 2651728, 5303456, 10606912, 21213824]

約数ペア:

[(1, 21213824), (2, 10606912), (4, 5303456), (8, 2651728), (16, 1325864), (17, 1247872), (32, 662932), (34, 623936), (64, 331466), (68, 311968), (128, 165733), (136, 155984), (272, 77992), (544, 38996), (1088, 19498), (2176, 9749)]