21913050

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{347}}^1\times {\mathrm{421}}^1$

素因数の和:783

約数の個数: 48

約数和(自身を含む): 54630432

約数和(自身を除く): 32717382

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150, 347, 421, 694, 842, 1041, 1263, 1735, 2082, 2105, 2526, 3470, 4210, 5205, 6315, 8675, 10410, 10525, 12630, 17350, 21050, 26025, 31575, 52050, 63150, 146087, 292174, 438261, 730435, 876522, 1460870, 2191305, 3652175, 4382610, 7304350, 10956525, 21913050]

約数ペア:

[(1, 21913050), (2, 10956525), (3, 7304350), (5, 4382610), (6, 3652175), (10, 2191305), (15, 1460870), (25, 876522), (30, 730435), (50, 438261), (75, 292174), (150, 146087), (347, 63150), (421, 52050), (694, 31575), (842, 26025), (1041, 21050), (1263, 17350), (1735, 12630), (2082, 10525), (2105, 10410), (2526, 8675), (3470, 6315), (4210, 5205)]