21945840

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13063}}^1$

素因数の和:13086

約数の個数: 80

約数和(自身を含む): 77756928

約数和(自身を除く): 55811088

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 13063, 26126, 39189, 52252, 65315, 78378, 91441, 104504, 130630, 156756, 182882, 195945, 209008, 261260, 274323, 313512, 365764, 391890, 457205, 522520, 548646, 627024, 731528, 783780, 914410, 1045040, 1097292, 1371615, 1463056, 1567560, 1828820, 2194584, 2743230, 3135120, 3657640, 4389168, 5486460, 7315280, 10972920, 21945840]

約数ペア:

[(1, 21945840), (2, 10972920), (3, 7315280), (4, 5486460), (5, 4389168), (6, 3657640), (7, 3135120), (8, 2743230), (10, 2194584), (12, 1828820), (14, 1567560), (15, 1463056), (16, 1371615), (20, 1097292), (21, 1045040), (24, 914410), (28, 783780), (30, 731528), (35, 627024), (40, 548646), (42, 522520), (48, 457205), (56, 391890), (60, 365764), (70, 313512), (80, 274323), (84, 261260), (105, 209008), (112, 195945), (120, 182882), (140, 156756), (168, 130630), (210, 104504), (240, 91441), (280, 78378), (336, 65315), (420, 52252), (560, 39189), (840, 26126), (1680, 13063)]