21049560

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{8353}}^1$

素因数の和:8377

約数の個数: 96

約数和(自身を含む): 78193440

約数和(自身を除く): 57143880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 8353, 16706, 25059, 33412, 41765, 50118, 58471, 66824, 75177, 83530, 100236, 116942, 125295, 150354, 167060, 175413, 200472, 233884, 250590, 292355, 300708, 334120, 350826, 375885, 467768, 501180, 526239, 584710, 601416, 701652, 751770, 877065, 1002360, 1052478, 1169420, 1403304, 1503540, 1754130, 2104956, 2338840, 2631195, 3007080, 3508260, 4209912, 5262390, 7016520, 10524780, 21049560]

約数ペア:

[(1, 21049560), (2, 10524780), (3, 7016520), (4, 5262390), (5, 4209912), (6, 3508260), (7, 3007080), (8, 2631195), (9, 2338840), (10, 2104956), (12, 1754130), (14, 1503540), (15, 1403304), (18, 1169420), (20, 1052478), (21, 1002360), (24, 877065), (28, 751770), (30, 701652), (35, 601416), (36, 584710), (40, 526239), (42, 501180), (45, 467768), (56, 375885), (60, 350826), (63, 334120), (70, 300708), (72, 292355), (84, 250590), (90, 233884), (105, 200472), (120, 175413), (126, 167060), (140, 150354), (168, 125295), (180, 116942), (210, 100236), (252, 83530), (280, 75177), (315, 66824), (360, 58471), (420, 50118), (504, 41765), (630, 33412), (840, 25059), (1260, 16706), (2520, 8353)]