21971952

素因数分解:

$2^4\times 3^3\times {\mathrm{181}}^1\times {\mathrm{281}}^1$

素因数の和:479

約数の個数: 80

約数和(自身を含む): 63641760

約数和(自身を除く): 41669808

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 181, 216, 281, 362, 432, 543, 562, 724, 843, 1086, 1124, 1448, 1629, 1686, 2172, 2248, 2529, 2896, 3258, 3372, 4344, 4496, 4887, 5058, 6516, 6744, 7587, 8688, 9774, 10116, 13032, 13488, 15174, 19548, 20232, 26064, 30348, 39096, 40464, 50861, 60696, 78192, 101722, 121392, 152583, 203444, 305166, 406888, 457749, 610332, 813776, 915498, 1220664, 1373247, 1830996, 2441328, 2746494, 3661992, 5492988, 7323984, 10985976, 21971952]

約数ペア:

[(1, 21971952), (2, 10985976), (3, 7323984), (4, 5492988), (6, 3661992), (8, 2746494), (9, 2441328), (12, 1830996), (16, 1373247), (18, 1220664), (24, 915498), (27, 813776), (36, 610332), (48, 457749), (54, 406888), (72, 305166), (108, 203444), (144, 152583), (181, 121392), (216, 101722), (281, 78192), (362, 60696), (432, 50861), (543, 40464), (562, 39096), (724, 30348), (843, 26064), (1086, 20232), (1124, 19548), (1448, 15174), (1629, 13488), (1686, 13032), (2172, 10116), (2248, 9774), (2529, 8688), (2896, 7587), (3258, 6744), (3372, 6516), (4344, 5058), (4496, 4887)]