21798192

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{193}}^1$

素因数の和:398

約数の個数: 80

約数和(自身を含む): 61294688

約数和(自身を除く): 39496496

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 181, 193, 208, 312, 362, 386, 543, 579, 624, 724, 772, 1086, 1158, 1448, 1544, 2172, 2316, 2353, 2509, 2896, 3088, 4344, 4632, 4706, 5018, 7059, 7527, 8688, 9264, 9412, 10036, 14118, 15054, 18824, 20072, 28236, 30108, 34933, 37648, 40144, 56472, 60216, 69866, 104799, 112944, 120432, 139732, 209598, 279464, 419196, 454129, 558928, 838392, 908258, 1362387, 1676784, 1816516, 2724774, 3633032, 5449548, 7266064, 10899096, 21798192]

約数ペア:

[(1, 21798192), (2, 10899096), (3, 7266064), (4, 5449548), (6, 3633032), (8, 2724774), (12, 1816516), (13, 1676784), (16, 1362387), (24, 908258), (26, 838392), (39, 558928), (48, 454129), (52, 419196), (78, 279464), (104, 209598), (156, 139732), (181, 120432), (193, 112944), (208, 104799), (312, 69866), (362, 60216), (386, 56472), (543, 40144), (579, 37648), (624, 34933), (724, 30108), (772, 28236), (1086, 20072), (1158, 18824), (1448, 15054), (1544, 14118), (2172, 10036), (2316, 9412), (2353, 9264), (2509, 8688), (2896, 7527), (3088, 7059), (4344, 5018), (4632, 4706)]