21498972

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{601}}^1$

素因数の和:890

約数の個数: 48

約数和(自身を含む): 55017984

約数和(自身を除く): 33519012

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 271, 542, 601, 813, 1084, 1202, 1626, 1803, 2404, 2981, 3252, 3606, 5962, 6611, 7212, 8943, 11924, 13222, 17886, 19833, 26444, 35772, 39666, 79332, 162871, 325742, 488613, 651484, 977226, 1791581, 1954452, 3583162, 5374743, 7166324, 10749486, 21498972]

約数ペア:

[(1, 21498972), (2, 10749486), (3, 7166324), (4, 5374743), (6, 3583162), (11, 1954452), (12, 1791581), (22, 977226), (33, 651484), (44, 488613), (66, 325742), (132, 162871), (271, 79332), (542, 39666), (601, 35772), (813, 26444), (1084, 19833), (1202, 17886), (1626, 13222), (1803, 11924), (2404, 8943), (2981, 7212), (3252, 6611), (3606, 5962)]