21267372

素因数分解:

$2^2\times 3^1\times 7^3\times {\mathrm{5167}}^1$

素因数の和:5195

約数の個数: 48

約数和(自身を含む): 57881600

約数和(自身を除く): 36614228

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 343, 588, 686, 1029, 1372, 2058, 4116, 5167, 10334, 15501, 20668, 31002, 36169, 62004, 72338, 108507, 144676, 217014, 253183, 434028, 506366, 759549, 1012732, 1519098, 1772281, 3038196, 3544562, 5316843, 7089124, 10633686, 21267372]

約数ペア:

[(1, 21267372), (2, 10633686), (3, 7089124), (4, 5316843), (6, 3544562), (7, 3038196), (12, 1772281), (14, 1519098), (21, 1012732), (28, 759549), (42, 506366), (49, 434028), (84, 253183), (98, 217014), (147, 144676), (196, 108507), (294, 72338), (343, 62004), (588, 36169), (686, 31002), (1029, 20668), (1372, 15501), (2058, 10334), (4116, 5167)]