21216744

素因数分解:

$2^3\times 3^2\times {\mathrm{467}}^1\times {\mathrm{631}}^1$

素因数の和:1110

約数の個数: 48

約数和(自身を含む): 57676320

約数和(自身を除く): 36459576

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 467, 631, 934, 1262, 1401, 1868, 1893, 2524, 2802, 3736, 3786, 4203, 5048, 5604, 5679, 7572, 8406, 11208, 11358, 15144, 16812, 22716, 33624, 45432, 294677, 589354, 884031, 1178708, 1768062, 2357416, 2652093, 3536124, 5304186, 7072248, 10608372, 21216744]

約数ペア:

[(1, 21216744), (2, 10608372), (3, 7072248), (4, 5304186), (6, 3536124), (8, 2652093), (9, 2357416), (12, 1768062), (18, 1178708), (24, 884031), (36, 589354), (72, 294677), (467, 45432), (631, 33624), (934, 22716), (1262, 16812), (1401, 15144), (1868, 11358), (1893, 11208), (2524, 8406), (2802, 7572), (3736, 5679), (3786, 5604), (4203, 5048)]