21384352

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{769}}^1$

素因数の和:869

約数の個数: 48

約数和(自身を含む): 46569600

約数和(自身を除く): 25185248

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 79, 88, 158, 176, 316, 352, 632, 769, 869, 1264, 1538, 1738, 2528, 3076, 3476, 6152, 6952, 8459, 12304, 13904, 16918, 24608, 27808, 33836, 60751, 67672, 121502, 135344, 243004, 270688, 486008, 668261, 972016, 1336522, 1944032, 2673044, 5346088, 10692176, 21384352]

約数ペア:

[(1, 21384352), (2, 10692176), (4, 5346088), (8, 2673044), (11, 1944032), (16, 1336522), (22, 972016), (32, 668261), (44, 486008), (79, 270688), (88, 243004), (158, 135344), (176, 121502), (316, 67672), (352, 60751), (632, 33836), (769, 27808), (869, 24608), (1264, 16918), (1538, 13904), (1738, 12304), (2528, 8459), (3076, 6952), (3476, 6152)]