21182655

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{4723}}^1$

素因数の和:4767

約数の個数: 32

約数和(自身を含む): 38094336

約数和(自身を除く): 16911681

約数列:

[1, 3, 5, 13, 15, 23, 39, 65, 69, 115, 195, 299, 345, 897, 1495, 4485, 4723, 14169, 23615, 61399, 70845, 108629, 184197, 306995, 325887, 543145, 920985, 1412177, 1629435, 4236531, 7060885, 21182655]

約数ペア:

[(1, 21182655), (3, 7060885), (5, 4236531), (13, 1629435), (15, 1412177), (23, 920985), (39, 543145), (65, 325887), (69, 306995), (115, 184197), (195, 108629), (299, 70845), (345, 61399), (897, 23615), (1495, 14169), (4485, 4723)]