21601944

素因数分解:

$2^3\times 3^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1$

素因数の和:199

約数の個数: 192

約数和(自身を含む): 75650400

約数和(自身を除く): 54048456

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 21, 24, 26, 27, 28, 36, 39, 42, 49, 52, 54, 56, 63, 72, 78, 84, 91, 98, 104, 108, 117, 126, 147, 156, 157, 168, 182, 189, 196, 216, 234, 252, 273, 294, 312, 314, 351, 364, 378, 392, 441, 468, 471, 504, 546, 588, 628, 637, 702, 728, 756, 819, 882, 936, 942, 1092, 1099, 1176, 1256, 1274, 1323, 1404, 1413, 1512, 1638, 1764, 1884, 1911, 2041, 2184, 2198, 2457, 2548, 2646, 2808, 2826, 3276, 3297, 3528, 3768, 3822, 4082, 4239, 4396, 4914, 5096, 5292, 5652, 5733, 6123, 6552, 6594, 7644, 7693, 8164, 8478, 8792, 9828, 9891, 10584, 11304, 11466, 12246, 13188, 14287, 15288, 15386, 16328, 16956, 17199, 18369, 19656, 19782, 22932, 23079, 24492, 26376, 28574, 29673, 30772, 33912, 34398, 36738, 39564, 42861, 45864, 46158, 48984, 55107, 57148, 59346, 61544, 68796, 69237, 73476, 79128, 85722, 92316, 100009, 110214, 114296, 118692, 128583, 137592, 138474, 146952, 171444, 184632, 200018, 207711, 220428, 237384, 257166, 276948, 300027, 342888, 385749, 400036, 415422, 440856, 514332, 553896, 600054, 771498, 800072, 830844, 900081, 1028664, 1200108, 1542996, 1661688, 1800162, 2400216, 2700243, 3085992, 3600324, 5400486, 7200648, 10800972, 21601944]

約数ペア:

[(1, 21601944), (2, 10800972), (3, 7200648), (4, 5400486), (6, 3600324), (7, 3085992), (8, 2700243), (9, 2400216), (12, 1800162), (13, 1661688), (14, 1542996), (18, 1200108), (21, 1028664), (24, 900081), (26, 830844), (27, 800072), (28, 771498), (36, 600054), (39, 553896), (42, 514332), (49, 440856), (52, 415422), (54, 400036), (56, 385749), (63, 342888), (72, 300027), (78, 276948), (84, 257166), (91, 237384), (98, 220428), (104, 207711), (108, 200018), (117, 184632), (126, 171444), (147, 146952), (156, 138474), (157, 137592), (168, 128583), (182, 118692), (189, 114296), (196, 110214), (216, 100009), (234, 92316), (252, 85722), (273, 79128), (294, 73476), (312, 69237), (314, 68796), (351, 61544), (364, 59346), (378, 57148), (392, 55107), (441, 48984), (468, 46158), (471, 45864), (504, 42861), (546, 39564), (588, 36738), (628, 34398), (637, 33912), (702, 30772), (728, 29673), (756, 28574), (819, 26376), (882, 24492), (936, 23079), (942, 22932), (1092, 19782), (1099, 19656), (1176, 18369), (1256, 17199), (1274, 16956), (1323, 16328), (1404, 15386), (1413, 15288), (1512, 14287), (1638, 13188), (1764, 12246), (1884, 11466), (1911, 11304), (2041, 10584), (2184, 9891), (2198, 9828), (2457, 8792), (2548, 8478), (2646, 8164), (2808, 7693), (2826, 7644), (3276, 6594), (3297, 6552), (3528, 6123), (3768, 5733), (3822, 5652), (4082, 5292), (4239, 5096), (4396, 4914)]