21727030

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{1723}}^1$

素因数の和:1840

約数の個数: 32

約数和(自身を含む): 42575904

約数和(自身を除く): 20848874

約数列:

[1, 2, 5, 10, 13, 26, 65, 97, 130, 194, 485, 970, 1261, 1723, 2522, 3446, 6305, 8615, 12610, 17230, 22399, 44798, 111995, 167131, 223990, 334262, 835655, 1671310, 2172703, 4345406, 10863515, 21727030]

約数ペア:

[(1, 21727030), (2, 10863515), (5, 4345406), (10, 2172703), (13, 1671310), (26, 835655), (65, 334262), (97, 223990), (130, 167131), (194, 111995), (485, 44798), (970, 22399), (1261, 17230), (1723, 12610), (2522, 8615), (3446, 6305)]