21437952

素因数分解:

$2^9\times 3^1\times {\mathrm{17}}^1\times {\mathrm{821}}^1$

素因数の和:859

約数の個数: 80

約数和(自身を含む): 60545232

約数和(自身を除く): 39107280

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 32, 34, 48, 51, 64, 68, 96, 102, 128, 136, 192, 204, 256, 272, 384, 408, 512, 544, 768, 816, 821, 1088, 1536, 1632, 1642, 2176, 2463, 3264, 3284, 4352, 4926, 6528, 6568, 8704, 9852, 13056, 13136, 13957, 19704, 26112, 26272, 27914, 39408, 41871, 52544, 55828, 78816, 83742, 105088, 111656, 157632, 167484, 210176, 223312, 315264, 334968, 420352, 446624, 630528, 669936, 893248, 1261056, 1339872, 1786496, 2679744, 3572992, 5359488, 7145984, 10718976, 21437952]

約数ペア:

[(1, 21437952), (2, 10718976), (3, 7145984), (4, 5359488), (6, 3572992), (8, 2679744), (12, 1786496), (16, 1339872), (17, 1261056), (24, 893248), (32, 669936), (34, 630528), (48, 446624), (51, 420352), (64, 334968), (68, 315264), (96, 223312), (102, 210176), (128, 167484), (136, 157632), (192, 111656), (204, 105088), (256, 83742), (272, 78816), (384, 55828), (408, 52544), (512, 41871), (544, 39408), (768, 27914), (816, 26272), (821, 26112), (1088, 19704), (1536, 13957), (1632, 13136), (1642, 13056), (2176, 9852), (2463, 8704), (3264, 6568), (3284, 6528), (4352, 4926)]