21507150

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{20483}}^1$

素因数の和:20505

約数の個数: 48

約数和(自身を含む): 60960384

約数和(自身を除く): 39453234

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 50, 70, 75, 105, 150, 175, 210, 350, 525, 1050, 20483, 40966, 61449, 102415, 122898, 143381, 204830, 286762, 307245, 430143, 512075, 614490, 716905, 860286, 1024150, 1433810, 1536225, 2150715, 3072450, 3584525, 4301430, 7169050, 10753575, 21507150]

約数ペア:

[(1, 21507150), (2, 10753575), (3, 7169050), (5, 4301430), (6, 3584525), (7, 3072450), (10, 2150715), (14, 1536225), (15, 1433810), (21, 1024150), (25, 860286), (30, 716905), (35, 614490), (42, 512075), (50, 430143), (70, 307245), (75, 286762), (105, 204830), (150, 143381), (175, 122898), (210, 102415), (350, 61449), (525, 40966), (1050, 20483)]