21198744

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{42061}}^1$

素因数の和:42080

約数の個数: 48

約数和(自身を含む): 65616720

約数和(自身を除く): 44417976

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 42061, 84122, 126183, 168244, 252366, 294427, 336488, 378549, 504732, 588854, 757098, 883281, 1009464, 1177708, 1514196, 1766562, 2355416, 2649843, 3028392, 3533124, 5299686, 7066248, 10599372, 21198744]

約数ペア:

[(1, 21198744), (2, 10599372), (3, 7066248), (4, 5299686), (6, 3533124), (7, 3028392), (8, 2649843), (9, 2355416), (12, 1766562), (14, 1514196), (18, 1177708), (21, 1009464), (24, 883281), (28, 757098), (36, 588854), (42, 504732), (56, 378549), (63, 336488), (72, 294427), (84, 252366), (126, 168244), (168, 126183), (252, 84122), (504, 42061)]