21407340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{5849}}^1$

素因数の和:5922

約数の個数: 48

約数和(自身を含む): 60933600

約数和(自身を除く): 39526260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 244, 305, 366, 610, 732, 915, 1220, 1830, 3660, 5849, 11698, 17547, 23396, 29245, 35094, 58490, 70188, 87735, 116980, 175470, 350940, 356789, 713578, 1070367, 1427156, 1783945, 2140734, 3567890, 4281468, 5351835, 7135780, 10703670, 21407340]

約数ペア:

[(1, 21407340), (2, 10703670), (3, 7135780), (4, 5351835), (5, 4281468), (6, 3567890), (10, 2140734), (12, 1783945), (15, 1427156), (20, 1070367), (30, 713578), (60, 356789), (61, 350940), (122, 175470), (183, 116980), (244, 87735), (305, 70188), (366, 58490), (610, 35094), (732, 29245), (915, 23396), (1220, 17547), (1830, 11698), (3660, 5849)]