21304647

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1$

素因数の和:94

約数の個数: 96

約数和(自身を含む): 42163200

約数和(自身を除く): 20858553

約数列:

[1, 3, 7, 9, 13, 21, 23, 27, 29, 39, 63, 69, 87, 91, 117, 161, 169, 189, 203, 207, 261, 273, 299, 351, 377, 483, 507, 609, 621, 667, 783, 819, 897, 1131, 1183, 1449, 1521, 1827, 2001, 2093, 2457, 2639, 2691, 3393, 3549, 3887, 4347, 4563, 4669, 4901, 5481, 6003, 6279, 7917, 8073, 8671, 10179, 10647, 11661, 14007, 14703, 18009, 18837, 23751, 26013, 27209, 31941, 34307, 34983, 42021, 44109, 56511, 60697, 71253, 78039, 81627, 102921, 104949, 112723, 126063, 132327, 182091, 234117, 244881, 308763, 338169, 546273, 734643, 789061, 926289, 1014507, 1638819, 2367183, 3043521, 7101549, 21304647]

約数ペア:

[(1, 21304647), (3, 7101549), (7, 3043521), (9, 2367183), (13, 1638819), (21, 1014507), (23, 926289), (27, 789061), (29, 734643), (39, 546273), (63, 338169), (69, 308763), (87, 244881), (91, 234117), (117, 182091), (161, 132327), (169, 126063), (189, 112723), (203, 104949), (207, 102921), (261, 81627), (273, 78039), (299, 71253), (351, 60697), (377, 56511), (483, 44109), (507, 42021), (609, 34983), (621, 34307), (667, 31941), (783, 27209), (819, 26013), (897, 23751), (1131, 18837), (1183, 18009), (1449, 14703), (1521, 14007), (1827, 11661), (2001, 10647), (2093, 10179), (2457, 8671), (2639, 8073), (2691, 7917), (3393, 6279), (3549, 6003), (3887, 5481), (4347, 4901), (4563, 4669)]