21264750

素因数分解:

$2^1\times 3^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{727}}^1$

素因数の和:763

約数の個数: 96

約数和(自身を含む): 62008128

約数和(自身を除く): 40743378

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 30, 39, 45, 50, 65, 75, 78, 90, 117, 125, 130, 150, 195, 225, 234, 250, 325, 375, 390, 450, 585, 650, 727, 750, 975, 1125, 1170, 1454, 1625, 1950, 2181, 2250, 2925, 3250, 3635, 4362, 4875, 5850, 6543, 7270, 9451, 9750, 10905, 13086, 14625, 18175, 18902, 21810, 28353, 29250, 32715, 36350, 47255, 54525, 56706, 65430, 85059, 90875, 94510, 109050, 141765, 163575, 170118, 181750, 236275, 272625, 283530, 327150, 425295, 472550, 545250, 708825, 817875, 850590, 1181375, 1417650, 1635750, 2126475, 2362750, 3544125, 4252950, 7088250, 10632375, 21264750]

約数ペア:

[(1, 21264750), (2, 10632375), (3, 7088250), (5, 4252950), (6, 3544125), (9, 2362750), (10, 2126475), (13, 1635750), (15, 1417650), (18, 1181375), (25, 850590), (26, 817875), (30, 708825), (39, 545250), (45, 472550), (50, 425295), (65, 327150), (75, 283530), (78, 272625), (90, 236275), (117, 181750), (125, 170118), (130, 163575), (150, 141765), (195, 109050), (225, 94510), (234, 90875), (250, 85059), (325, 65430), (375, 56706), (390, 54525), (450, 47255), (585, 36350), (650, 32715), (727, 29250), (750, 28353), (975, 21810), (1125, 18902), (1170, 18175), (1454, 14625), (1625, 13086), (1950, 10905), (2181, 9750), (2250, 9451), (2925, 7270), (3250, 6543), (3635, 5850), (4362, 4875)]