21116580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{11353}}^1$

素因数の和:11396

約数の個数: 48

約数和(自身を含む): 61039104

約数和(自身を除く): 39922524

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 11353, 22706, 34059, 45412, 56765, 68118, 113530, 136236, 170295, 227060, 340590, 351943, 681180, 703886, 1055829, 1407772, 1759715, 2111658, 3519430, 4223316, 5279145, 7038860, 10558290, 21116580]

約数ペア:

[(1, 21116580), (2, 10558290), (3, 7038860), (4, 5279145), (5, 4223316), (6, 3519430), (10, 2111658), (12, 1759715), (15, 1407772), (20, 1055829), (30, 703886), (31, 681180), (60, 351943), (62, 340590), (93, 227060), (124, 170295), (155, 136236), (186, 113530), (310, 68118), (372, 56765), (465, 45412), (620, 34059), (930, 22706), (1860, 11353)]