21825570

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{293}}^1$

素因数の和:507

約数の個数: 64

約数和(自身を含む): 56899584

約数和(自身を除く): 35074014

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 191, 195, 293, 382, 390, 573, 586, 879, 955, 1146, 1465, 1758, 1910, 2483, 2865, 2930, 3809, 4395, 4966, 5730, 7449, 7618, 8790, 11427, 12415, 14898, 19045, 22854, 24830, 37245, 38090, 55963, 57135, 74490, 111926, 114270, 167889, 279815, 335778, 559630, 727519, 839445, 1455038, 1678890, 2182557, 3637595, 4365114, 7275190, 10912785, 21825570]

約数ペア:

[(1, 21825570), (2, 10912785), (3, 7275190), (5, 4365114), (6, 3637595), (10, 2182557), (13, 1678890), (15, 1455038), (26, 839445), (30, 727519), (39, 559630), (65, 335778), (78, 279815), (130, 167889), (191, 114270), (195, 111926), (293, 74490), (382, 57135), (390, 55963), (573, 38090), (586, 37245), (879, 24830), (955, 22854), (1146, 19045), (1465, 14898), (1758, 12415), (1910, 11427), (2483, 8790), (2865, 7618), (2930, 7449), (3809, 5730), (4395, 4966)]