21812832

素因数分解:

$2^5\times 3^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:165

約数の個数: 144

約数和(自身を含む): 67223520

約数和(自身を除く): 45410688

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 32, 36, 37, 46, 48, 69, 72, 74, 89, 92, 96, 111, 138, 144, 148, 178, 184, 207, 222, 267, 276, 288, 296, 333, 356, 368, 414, 444, 534, 552, 592, 666, 712, 736, 801, 828, 851, 888, 1068, 1104, 1184, 1332, 1424, 1602, 1656, 1702, 1776, 2047, 2136, 2208, 2553, 2664, 2848, 3204, 3293, 3312, 3404, 3552, 4094, 4272, 5106, 5328, 6141, 6408, 6586, 6624, 6808, 7659, 8188, 8544, 9879, 10212, 10656, 12282, 12816, 13172, 13616, 15318, 16376, 18423, 19758, 20424, 24564, 25632, 26344, 27232, 29637, 30636, 32752, 36846, 39516, 40848, 49128, 52688, 59274, 61272, 65504, 73692, 75739, 79032, 81696, 98256, 105376, 118548, 122544, 147384, 151478, 158064, 196512, 227217, 237096, 245088, 294768, 302956, 316128, 454434, 474192, 589536, 605912, 681651, 908868, 948384, 1211824, 1363302, 1817736, 2423648, 2726604, 3635472, 5453208, 7270944, 10906416, 21812832]

約数ペア:

[(1, 21812832), (2, 10906416), (3, 7270944), (4, 5453208), (6, 3635472), (8, 2726604), (9, 2423648), (12, 1817736), (16, 1363302), (18, 1211824), (23, 948384), (24, 908868), (32, 681651), (36, 605912), (37, 589536), (46, 474192), (48, 454434), (69, 316128), (72, 302956), (74, 294768), (89, 245088), (92, 237096), (96, 227217), (111, 196512), (138, 158064), (144, 151478), (148, 147384), (178, 122544), (184, 118548), (207, 105376), (222, 98256), (267, 81696), (276, 79032), (288, 75739), (296, 73692), (333, 65504), (356, 61272), (368, 59274), (414, 52688), (444, 49128), (534, 40848), (552, 39516), (592, 36846), (666, 32752), (712, 30636), (736, 29637), (801, 27232), (828, 26344), (851, 25632), (888, 24564), (1068, 20424), (1104, 19758), (1184, 18423), (1332, 16376), (1424, 15318), (1602, 13616), (1656, 13172), (1702, 12816), (1776, 12282), (2047, 10656), (2136, 10212), (2208, 9879), (2553, 8544), (2664, 8188), (2848, 7659), (3204, 6808), (3293, 6624), (3312, 6586), (3404, 6408), (3552, 6141), (4094, 5328), (4272, 5106)]