21387384

素因数分解:

$2^3\times 3^2\times {\mathrm{29}}^1\times {\mathrm{10243}}^1$

素因数の和:10284

約数の個数: 48

約数和(自身を含む): 59927400

約数和(自身を除く): 38540016

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 29, 36, 58, 72, 87, 116, 174, 232, 261, 348, 522, 696, 1044, 2088, 10243, 20486, 30729, 40972, 61458, 81944, 92187, 122916, 184374, 245832, 297047, 368748, 594094, 737496, 891141, 1188188, 1782282, 2376376, 2673423, 3564564, 5346846, 7129128, 10693692, 21387384]

約数ペア:

[(1, 21387384), (2, 10693692), (3, 7129128), (4, 5346846), (6, 3564564), (8, 2673423), (9, 2376376), (12, 1782282), (18, 1188188), (24, 891141), (29, 737496), (36, 594094), (58, 368748), (72, 297047), (87, 245832), (116, 184374), (174, 122916), (232, 92187), (261, 81944), (348, 61458), (522, 40972), (696, 30729), (1044, 20486), (2088, 10243)]