21894768

素因数分解:

$2^4\times 3^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{107}}^1$

素因数の和:164

約数の個数: 180

約数和(自身を含む): 74426040

約数和(自身を除く): 52531272

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 29, 36, 42, 48, 49, 56, 58, 63, 72, 84, 87, 98, 107, 112, 116, 126, 144, 147, 168, 174, 196, 203, 214, 232, 252, 261, 294, 321, 336, 348, 392, 406, 428, 441, 464, 504, 522, 588, 609, 642, 696, 749, 784, 812, 856, 882, 963, 1008, 1044, 1176, 1218, 1284, 1392, 1421, 1498, 1624, 1712, 1764, 1827, 1926, 2088, 2247, 2352, 2436, 2568, 2842, 2996, 3103, 3248, 3528, 3654, 3852, 4176, 4263, 4494, 4872, 5136, 5243, 5684, 5992, 6206, 6741, 7056, 7308, 7704, 8526, 8988, 9309, 9744, 10486, 11368, 11984, 12412, 12789, 13482, 14616, 15408, 15729, 17052, 17976, 18618, 20972, 21721, 22736, 24824, 25578, 26964, 27927, 29232, 31458, 34104, 35952, 37236, 41944, 43442, 47187, 49648, 51156, 53928, 55854, 62916, 65163, 68208, 74472, 83888, 86884, 94374, 102312, 107856, 111708, 125832, 130326, 148944, 152047, 173768, 188748, 195489, 204624, 223416, 251664, 260652, 304094, 347536, 377496, 390978, 446832, 456141, 521304, 608188, 754992, 781956, 912282, 1042608, 1216376, 1368423, 1563912, 1824564, 2432752, 2736846, 3127824, 3649128, 5473692, 7298256, 10947384, 21894768]

約数ペア:

[(1, 21894768), (2, 10947384), (3, 7298256), (4, 5473692), (6, 3649128), (7, 3127824), (8, 2736846), (9, 2432752), (12, 1824564), (14, 1563912), (16, 1368423), (18, 1216376), (21, 1042608), (24, 912282), (28, 781956), (29, 754992), (36, 608188), (42, 521304), (48, 456141), (49, 446832), (56, 390978), (58, 377496), (63, 347536), (72, 304094), (84, 260652), (87, 251664), (98, 223416), (107, 204624), (112, 195489), (116, 188748), (126, 173768), (144, 152047), (147, 148944), (168, 130326), (174, 125832), (196, 111708), (203, 107856), (214, 102312), (232, 94374), (252, 86884), (261, 83888), (294, 74472), (321, 68208), (336, 65163), (348, 62916), (392, 55854), (406, 53928), (428, 51156), (441, 49648), (464, 47187), (504, 43442), (522, 41944), (588, 37236), (609, 35952), (642, 34104), (696, 31458), (749, 29232), (784, 27927), (812, 26964), (856, 25578), (882, 24824), (963, 22736), (1008, 21721), (1044, 20972), (1176, 18618), (1218, 17976), (1284, 17052), (1392, 15729), (1421, 15408), (1498, 14616), (1624, 13482), (1712, 12789), (1764, 12412), (1827, 11984), (1926, 11368), (2088, 10486), (2247, 9744), (2352, 9309), (2436, 8988), (2568, 8526), (2842, 7704), (2996, 7308), (3103, 7056), (3248, 6741), (3528, 6206), (3654, 5992), (3852, 5684), (4176, 5243), (4263, 5136), (4494, 4872)]