21055812

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{1009}}^1$

素因数の和:1100

約数の個数: 48

約数和(自身を含む): 51582720

約数和(自身を除く): 30526908

約数列:

[1, 2, 3, 4, 6, 12, 37, 47, 74, 94, 111, 141, 148, 188, 222, 282, 444, 564, 1009, 1739, 2018, 3027, 3478, 4036, 5217, 6054, 6956, 10434, 12108, 20868, 37333, 47423, 74666, 94846, 111999, 142269, 149332, 189692, 223998, 284538, 447996, 569076, 1754651, 3509302, 5263953, 7018604, 10527906, 21055812]

約数ペア:

[(1, 21055812), (2, 10527906), (3, 7018604), (4, 5263953), (6, 3509302), (12, 1754651), (37, 569076), (47, 447996), (74, 284538), (94, 223998), (111, 189692), (141, 149332), (148, 142269), (188, 111999), (222, 94846), (282, 74666), (444, 47423), (564, 37333), (1009, 20868), (1739, 12108), (2018, 10434), (3027, 6956), (3478, 6054), (4036, 5217)]