21460348

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1$

素因数の和:179

約数の個数: 96

約数和(自身を含む): 50803200

約数和(自身を除く): 29342852

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 29, 38, 52, 58, 76, 91, 107, 116, 133, 182, 203, 214, 247, 266, 364, 377, 406, 428, 494, 532, 551, 749, 754, 812, 988, 1102, 1391, 1498, 1508, 1729, 2033, 2204, 2639, 2782, 2996, 3103, 3458, 3857, 4066, 5278, 5564, 6206, 6916, 7163, 7714, 8132, 9737, 10556, 12412, 14231, 14326, 15428, 19474, 21721, 26429, 28462, 28652, 38948, 40339, 43442, 50141, 52858, 56924, 58957, 80678, 86884, 100282, 105716, 117914, 161356, 185003, 200564, 235828, 282373, 370006, 412699, 564746, 740012, 766441, 825398, 1129492, 1532882, 1650796, 3065764, 5365087, 10730174, 21460348]

約数ペア:

[(1, 21460348), (2, 10730174), (4, 5365087), (7, 3065764), (13, 1650796), (14, 1532882), (19, 1129492), (26, 825398), (28, 766441), (29, 740012), (38, 564746), (52, 412699), (58, 370006), (76, 282373), (91, 235828), (107, 200564), (116, 185003), (133, 161356), (182, 117914), (203, 105716), (214, 100282), (247, 86884), (266, 80678), (364, 58957), (377, 56924), (406, 52858), (428, 50141), (494, 43442), (532, 40339), (551, 38948), (749, 28652), (754, 28462), (812, 26429), (988, 21721), (1102, 19474), (1391, 15428), (1498, 14326), (1508, 14231), (1729, 12412), (2033, 10556), (2204, 9737), (2639, 8132), (2782, 7714), (2996, 7163), (3103, 6916), (3458, 6206), (3857, 5564), (4066, 5278)]