21627935

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{401}}^1$

素因数の和:503

約数の個数: 32

約数和(自身を含む): 31491072

約数和(自身を除く): 9863137

約数列:

[1, 5, 7, 23, 35, 67, 115, 161, 335, 401, 469, 805, 1541, 2005, 2345, 2807, 7705, 9223, 10787, 14035, 26867, 46115, 53935, 64561, 134335, 188069, 322805, 617941, 940345, 3089705, 4325587, 21627935]

約数ペア:

[(1, 21627935), (5, 4325587), (7, 3089705), (23, 940345), (35, 617941), (67, 322805), (115, 188069), (161, 134335), (335, 64561), (401, 53935), (469, 46115), (805, 26867), (1541, 14035), (2005, 10787), (2345, 9223), (2807, 7705)]