21412260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{2531}}^1$

素因数の和:2593

約数の個数: 72

約数和(自身を含む): 66358656

約数和(自身を除く): 44946396

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 47, 60, 90, 94, 141, 180, 188, 235, 282, 423, 470, 564, 705, 846, 940, 1410, 1692, 2115, 2531, 2820, 4230, 5062, 7593, 8460, 10124, 12655, 15186, 22779, 25310, 30372, 37965, 45558, 50620, 75930, 91116, 113895, 118957, 151860, 227790, 237914, 356871, 455580, 475828, 594785, 713742, 1070613, 1189570, 1427484, 1784355, 2141226, 2379140, 3568710, 4282452, 5353065, 7137420, 10706130, 21412260]

約数ペア:

[(1, 21412260), (2, 10706130), (3, 7137420), (4, 5353065), (5, 4282452), (6, 3568710), (9, 2379140), (10, 2141226), (12, 1784355), (15, 1427484), (18, 1189570), (20, 1070613), (30, 713742), (36, 594785), (45, 475828), (47, 455580), (60, 356871), (90, 237914), (94, 227790), (141, 151860), (180, 118957), (188, 113895), (235, 91116), (282, 75930), (423, 50620), (470, 45558), (564, 37965), (705, 30372), (846, 25310), (940, 22779), (1410, 15186), (1692, 12655), (2115, 10124), (2531, 8460), (2820, 7593), (4230, 5062)]