21721824

素因数分解:

$2^5\times 3^3\times {\mathrm{31}}^1\times {\mathrm{811}}^1$

素因数の和:861

約数の個数: 96

約数和(自身を含む): 65479680

約数和(自身を除く): 43757856

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 31, 32, 36, 48, 54, 62, 72, 93, 96, 108, 124, 144, 186, 216, 248, 279, 288, 372, 432, 496, 558, 744, 811, 837, 864, 992, 1116, 1488, 1622, 1674, 2232, 2433, 2976, 3244, 3348, 4464, 4866, 6488, 6696, 7299, 8928, 9732, 12976, 13392, 14598, 19464, 21897, 25141, 25952, 26784, 29196, 38928, 43794, 50282, 58392, 75423, 77856, 87588, 100564, 116784, 150846, 175176, 201128, 226269, 233568, 301692, 350352, 402256, 452538, 603384, 678807, 700704, 804512, 905076, 1206768, 1357614, 1810152, 2413536, 2715228, 3620304, 5430456, 7240608, 10860912, 21721824]

約数ペア:

[(1, 21721824), (2, 10860912), (3, 7240608), (4, 5430456), (6, 3620304), (8, 2715228), (9, 2413536), (12, 1810152), (16, 1357614), (18, 1206768), (24, 905076), (27, 804512), (31, 700704), (32, 678807), (36, 603384), (48, 452538), (54, 402256), (62, 350352), (72, 301692), (93, 233568), (96, 226269), (108, 201128), (124, 175176), (144, 150846), (186, 116784), (216, 100564), (248, 87588), (279, 77856), (288, 75423), (372, 58392), (432, 50282), (496, 43794), (558, 38928), (744, 29196), (811, 26784), (837, 25952), (864, 25141), (992, 21897), (1116, 19464), (1488, 14598), (1622, 13392), (1674, 12976), (2232, 9732), (2433, 8928), (2976, 7299), (3244, 6696), (3348, 6488), (4464, 4866)]