21634472

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{271}}^1\times {\mathrm{587}}^1$

素因数の和:881

約数の個数: 32

約数和(自身を含む): 43182720

約数和(自身を除く): 21548248

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 271, 542, 587, 1084, 1174, 2168, 2348, 4607, 4696, 9214, 9979, 18428, 19958, 36856, 39916, 79832, 159077, 318154, 636308, 1272616, 2704309, 5408618, 10817236, 21634472]

約数ペア:

[(1, 21634472), (2, 10817236), (4, 5408618), (8, 2704309), (17, 1272616), (34, 636308), (68, 318154), (136, 159077), (271, 79832), (542, 39916), (587, 36856), (1084, 19958), (1174, 18428), (2168, 9979), (2348, 9214), (4607, 4696)]