21530448

素因数分解:

$2^4\times 3^4\times {\mathrm{37}}^1\times {\mathrm{449}}^1$

素因数の和:506

約数の個数: 100

約数和(自身を含む): 64142100

約数和(自身を除く): 42611652

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 37, 48, 54, 72, 74, 81, 108, 111, 144, 148, 162, 216, 222, 296, 324, 333, 432, 444, 449, 592, 648, 666, 888, 898, 999, 1296, 1332, 1347, 1776, 1796, 1998, 2664, 2694, 2997, 3592, 3996, 4041, 5328, 5388, 5994, 7184, 7992, 8082, 10776, 11988, 12123, 15984, 16164, 16613, 21552, 23976, 24246, 32328, 33226, 36369, 47952, 48492, 49839, 64656, 66452, 72738, 96984, 99678, 132904, 145476, 149517, 193968, 199356, 265808, 290952, 299034, 398712, 448551, 581904, 598068, 797424, 897102, 1196136, 1345653, 1794204, 2392272, 2691306, 3588408, 5382612, 7176816, 10765224, 21530448]

約数ペア:

[(1, 21530448), (2, 10765224), (3, 7176816), (4, 5382612), (6, 3588408), (8, 2691306), (9, 2392272), (12, 1794204), (16, 1345653), (18, 1196136), (24, 897102), (27, 797424), (36, 598068), (37, 581904), (48, 448551), (54, 398712), (72, 299034), (74, 290952), (81, 265808), (108, 199356), (111, 193968), (144, 149517), (148, 145476), (162, 132904), (216, 99678), (222, 96984), (296, 72738), (324, 66452), (333, 64656), (432, 49839), (444, 48492), (449, 47952), (592, 36369), (648, 33226), (666, 32328), (888, 24246), (898, 23976), (999, 21552), (1296, 16613), (1332, 16164), (1347, 15984), (1776, 12123), (1796, 11988), (1998, 10776), (2664, 8082), (2694, 7992), (2997, 7184), (3592, 5994), (3996, 5388), (4041, 5328)]