21852185

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:257

約数の個数: 32

約数和(自身を含む): 29410560

約数和(自身を除く): 7558375

約数列:

[1, 5, 19, 23, 73, 95, 115, 137, 365, 437, 685, 1387, 1679, 2185, 2603, 3151, 6935, 8395, 10001, 13015, 15755, 31901, 50005, 59869, 159505, 190019, 230023, 299345, 950095, 1150115, 4370437, 21852185]

約数ペア:

[(1, 21852185), (5, 4370437), (19, 1150115), (23, 950095), (73, 299345), (95, 230023), (115, 190019), (137, 159505), (365, 59869), (437, 50005), (685, 31901), (1387, 15755), (1679, 13015), (2185, 10001), (2603, 8395), (3151, 6935)]