21899172

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{691}}^1$

素因数の和:856

約数の個数: 48

約数和(自身を含む): 54252800

約数和(自身を除く): 32353628

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 139, 228, 278, 417, 556, 691, 834, 1382, 1668, 2073, 2641, 2764, 4146, 5282, 7923, 8292, 10564, 13129, 15846, 26258, 31692, 39387, 52516, 78774, 96049, 157548, 192098, 288147, 384196, 576294, 1152588, 1824931, 3649862, 5474793, 7299724, 10949586, 21899172]

約数ペア:

[(1, 21899172), (2, 10949586), (3, 7299724), (4, 5474793), (6, 3649862), (12, 1824931), (19, 1152588), (38, 576294), (57, 384196), (76, 288147), (114, 192098), (139, 157548), (228, 96049), (278, 78774), (417, 52516), (556, 39387), (691, 31692), (834, 26258), (1382, 15846), (1668, 13129), (2073, 10564), (2641, 8292), (2764, 7923), (4146, 5282)]