21851630

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{743}}^1$

素因数の和:940

約数の個数: 32

約数和(自身を含む): 41943744

約数和(自身を除く): 20092114

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 173, 346, 743, 865, 1486, 1730, 2941, 3715, 5882, 7430, 12631, 14705, 25262, 29410, 63155, 126310, 128539, 257078, 642695, 1285390, 2185163, 4370326, 10925815, 21851630]

約数ペア:

[(1, 21851630), (2, 10925815), (5, 4370326), (10, 2185163), (17, 1285390), (34, 642695), (85, 257078), (170, 128539), (173, 126310), (346, 63155), (743, 29410), (865, 25262), (1486, 14705), (1730, 12631), (2941, 7430), (3715, 5882)]