20921457585

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{14951}}^1\times {\mathrm{13327}}^1$

素因数の和:28293

約数の個数: 32

約数和(自身を含む): 38261809152

約数和(自身を除く): 17340351567

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 13327, 14951, 39981, 44853, 66635, 74755, 93289, 104657, 199905, 224265, 279867, 313971, 466445, 523285, 1399335, 1569855, 199251977, 597755931, 996259885, 1394763839, 2988779655, 4184291517, 6973819195, 20921457585]

約数ペア:

[(1, 20921457585), (3, 6973819195), (5, 4184291517), (7, 2988779655), (15, 1394763839), (21, 996259885), (35, 597755931), (105, 199251977), (13327, 1569855), (14951, 1399335), (39981, 523285), (44853, 466445), (66635, 313971), (74755, 279867), (93289, 224265), (104657, 199905)]