21330075

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{167}}^1$

素因数の和:324

約数の個数: 48

約数和(自身を含む): 38497536

約数和(自身を除く): 17167461

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 131, 167, 195, 325, 393, 501, 655, 835, 975, 1703, 1965, 2171, 2505, 3275, 4175, 5109, 6513, 8515, 9825, 10855, 12525, 21877, 25545, 32565, 42575, 54275, 65631, 109385, 127725, 162825, 284401, 328155, 546925, 853203, 1422005, 1640775, 4266015, 7110025, 21330075]

約数ペア:

[(1, 21330075), (3, 7110025), (5, 4266015), (13, 1640775), (15, 1422005), (25, 853203), (39, 546925), (65, 328155), (75, 284401), (131, 162825), (167, 127725), (195, 109385), (325, 65631), (393, 54275), (501, 42575), (655, 32565), (835, 25545), (975, 21877), (1703, 12525), (1965, 10855), (2171, 9825), (2505, 8515), (3275, 6513), (4175, 5109)]