21936145

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{251}}^1$

素因数の和:501

約数の個数: 32

約数和(自身を含む): 33094656

約数和(自身を除く): 11158511

約数列:

[1, 5, 7, 11, 35, 55, 77, 227, 251, 385, 1135, 1255, 1589, 1757, 2497, 2761, 7945, 8785, 12485, 13805, 17479, 19327, 56977, 87395, 96635, 284885, 398839, 626747, 1994195, 3133735, 4387229, 21936145]

約数ペア:

[(1, 21936145), (5, 4387229), (7, 3133735), (11, 1994195), (35, 626747), (55, 398839), (77, 284885), (227, 96635), (251, 87395), (385, 56977), (1135, 19327), (1255, 17479), (1589, 13805), (1757, 12485), (2497, 8785), (2761, 7945)]