21887940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{6883}}^1$

素因数の和:6948

約数の個数: 48

約数和(自身を含む): 62451648

約数和(自身を除く): 40563708

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 53, 60, 106, 159, 212, 265, 318, 530, 636, 795, 1060, 1590, 3180, 6883, 13766, 20649, 27532, 34415, 41298, 68830, 82596, 103245, 137660, 206490, 364799, 412980, 729598, 1094397, 1459196, 1823995, 2188794, 3647990, 4377588, 5471985, 7295980, 10943970, 21887940]

約数ペア:

[(1, 21887940), (2, 10943970), (3, 7295980), (4, 5471985), (5, 4377588), (6, 3647990), (10, 2188794), (12, 1823995), (15, 1459196), (20, 1094397), (30, 729598), (53, 412980), (60, 364799), (106, 206490), (159, 137660), (212, 103245), (265, 82596), (318, 68830), (530, 41298), (636, 34415), (795, 27532), (1060, 20649), (1590, 13766), (3180, 6883)]