21342450

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{263}}^1\times {\mathrm{541}}^1$

素因数の和:819

約数の個数: 48

約数和(自身を含む): 53228736

約数和(自身を除く): 31886286

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150, 263, 526, 541, 789, 1082, 1315, 1578, 1623, 2630, 2705, 3246, 3945, 5410, 6575, 7890, 8115, 13150, 13525, 16230, 19725, 27050, 39450, 40575, 81150, 142283, 284566, 426849, 711415, 853698, 1422830, 2134245, 3557075, 4268490, 7114150, 10671225, 21342450]

約数ペア:

[(1, 21342450), (2, 10671225), (3, 7114150), (5, 4268490), (6, 3557075), (10, 2134245), (15, 1422830), (25, 853698), (30, 711415), (50, 426849), (75, 284566), (150, 142283), (263, 81150), (526, 40575), (541, 39450), (789, 27050), (1082, 19725), (1315, 16230), (1578, 13525), (1623, 13150), (2630, 8115), (2705, 7890), (3246, 6575), (3945, 5410)]