20211450

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{19249}}^1$

素因数の和:19271

約数の個数: 48

約数和(自身を含む): 57288000

約数和(自身を除く): 37076550

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, 19249, 38498, 57747, 96245, 115494, 134743, 192490, 269486, 288735, 404229, 481225, 577470, 673715, 808458, 962450, 1347430, 1443675, 2021145, 2887350, 3368575, 4042290, 6737150, 10105725, 20211450]

約数ペア:

[(1, 20211450), (2, 10105725), (3, 6737150), (5, 4042290), (6, 3368575), (7, 2887350), (10, 2021145), (14, 1443675), (15, 1347430), (21, 962450), (25, 808458), (30, 673715), (35, 577470), (42, 481225), (50, 404229), (70, 288735), (75, 269486), (105, 192490), (150, 134743), (175, 115494), (210, 96245), (350, 57747), (525, 38498), (1050, 19249)]