21471000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{421}}^1$

素因数の和:462

約数の個数: 128

約数和(自身を含む): 71098560

約数和(自身を除く): 49627560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 25, 30, 34, 40, 50, 51, 60, 68, 75, 85, 100, 102, 120, 125, 136, 150, 170, 200, 204, 250, 255, 300, 340, 375, 408, 421, 425, 500, 510, 600, 680, 750, 842, 850, 1000, 1020, 1263, 1275, 1500, 1684, 1700, 2040, 2105, 2125, 2526, 2550, 3000, 3368, 3400, 4210, 4250, 5052, 5100, 6315, 6375, 7157, 8420, 8500, 10104, 10200, 10525, 12630, 12750, 14314, 16840, 17000, 21050, 21471, 25260, 25500, 28628, 31575, 35785, 42100, 42942, 50520, 51000, 52625, 57256, 63150, 71570, 84200, 85884, 105250, 107355, 126300, 143140, 157875, 171768, 178925, 210500, 214710, 252600, 286280, 315750, 357850, 421000, 429420, 536775, 631500, 715700, 858840, 894625, 1073550, 1263000, 1431400, 1789250, 2147100, 2683875, 3578500, 4294200, 5367750, 7157000, 10735500, 21471000]

約数ペア:

[(1, 21471000), (2, 10735500), (3, 7157000), (4, 5367750), (5, 4294200), (6, 3578500), (8, 2683875), (10, 2147100), (12, 1789250), (15, 1431400), (17, 1263000), (20, 1073550), (24, 894625), (25, 858840), (30, 715700), (34, 631500), (40, 536775), (50, 429420), (51, 421000), (60, 357850), (68, 315750), (75, 286280), (85, 252600), (100, 214710), (102, 210500), (120, 178925), (125, 171768), (136, 157875), (150, 143140), (170, 126300), (200, 107355), (204, 105250), (250, 85884), (255, 84200), (300, 71570), (340, 63150), (375, 57256), (408, 52625), (421, 51000), (425, 50520), (500, 42942), (510, 42100), (600, 35785), (680, 31575), (750, 28628), (842, 25500), (850, 25260), (1000, 21471), (1020, 21050), (1263, 17000), (1275, 16840), (1500, 14314), (1684, 12750), (1700, 12630), (2040, 10525), (2105, 10200), (2125, 10104), (2526, 8500), (2550, 8420), (3000, 7157), (3368, 6375), (3400, 6315), (4210, 5100), (4250, 5052)]