21910460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1$

素因数の和:243

約数の個数: 96

約数和(自身を含む): 55544832

約数和(自身を除く): 33634372

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 47, 52, 55, 65, 94, 110, 130, 143, 163, 188, 220, 235, 260, 286, 326, 470, 517, 572, 611, 652, 715, 815, 940, 1034, 1222, 1430, 1630, 1793, 2068, 2119, 2444, 2585, 2860, 3055, 3260, 3586, 4238, 5170, 6110, 6721, 7172, 7661, 8476, 8965, 10340, 10595, 12220, 13442, 15322, 17930, 21190, 23309, 26884, 30644, 33605, 35860, 38305, 42380, 46618, 67210, 76610, 84271, 93236, 99593, 116545, 134420, 153220, 168542, 199186, 233090, 337084, 398372, 421355, 466180, 497965, 842710, 995930, 1095523, 1685420, 1991860, 2191046, 4382092, 5477615, 10955230, 21910460]

約数ペア:

[(1, 21910460), (2, 10955230), (4, 5477615), (5, 4382092), (10, 2191046), (11, 1991860), (13, 1685420), (20, 1095523), (22, 995930), (26, 842710), (44, 497965), (47, 466180), (52, 421355), (55, 398372), (65, 337084), (94, 233090), (110, 199186), (130, 168542), (143, 153220), (163, 134420), (188, 116545), (220, 99593), (235, 93236), (260, 84271), (286, 76610), (326, 67210), (470, 46618), (517, 42380), (572, 38305), (611, 35860), (652, 33605), (715, 30644), (815, 26884), (940, 23309), (1034, 21190), (1222, 17930), (1430, 15322), (1630, 13442), (1793, 12220), (2068, 10595), (2119, 10340), (2444, 8965), (2585, 8476), (2860, 7661), (3055, 7172), (3260, 6721), (3586, 6110), (4238, 5170)]