21158520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{176321}}^1$

素因数の和:176335

約数の個数: 32

約数和(自身を含む): 63475920

約数和(自身を除く): 42317400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 176321, 352642, 528963, 705284, 881605, 1057926, 1410568, 1763210, 2115852, 2644815, 3526420, 4231704, 5289630, 7052840, 10579260, 21158520]

約数ペア:

[(1, 21158520), (2, 10579260), (3, 7052840), (4, 5289630), (5, 4231704), (6, 3526420), (8, 2644815), (10, 2115852), (12, 1763210), (15, 1410568), (20, 1057926), (24, 881605), (30, 705284), (40, 528963), (60, 352642), (120, 176321)]