21493024

素因数分解:

$2^5\times 7^1\times {\mathrm{229}}^1\times {\mathrm{419}}^1$

素因数の和:665

約数の個数: 48

約数和(自身を含む): 48686400

約数和(自身を除く): 27193376

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 229, 419, 458, 838, 916, 1603, 1676, 1832, 2933, 3206, 3352, 3664, 5866, 6412, 6704, 7328, 11732, 12824, 13408, 23464, 25648, 46928, 51296, 93856, 95951, 191902, 383804, 671657, 767608, 1343314, 1535216, 2686628, 3070432, 5373256, 10746512, 21493024]

約数ペア:

[(1, 21493024), (2, 10746512), (4, 5373256), (7, 3070432), (8, 2686628), (14, 1535216), (16, 1343314), (28, 767608), (32, 671657), (56, 383804), (112, 191902), (224, 95951), (229, 93856), (419, 51296), (458, 46928), (838, 25648), (916, 23464), (1603, 13408), (1676, 12824), (1832, 11732), (2933, 7328), (3206, 6704), (3352, 6412), (3664, 5866)]