21978264672

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{838609}}^1$

素因数の和:838645

約数の個数: 144

約数和(自身を含む): 76924018080

約数和(自身を除く): 54945753408

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 28, 32, 36, 39, 42, 48, 52, 56, 63, 72, 78, 84, 91, 96, 104, 112, 117, 126, 144, 156, 168, 182, 208, 224, 234, 252, 273, 288, 312, 336, 364, 416, 468, 504, 546, 624, 672, 728, 819, 936, 1008, 1092, 1248, 1456, 1638, 1872, 2016, 2184, 2912, 3276, 3744, 4368, 6552, 8736, 13104, 26208, 838609, 1677218, 2515827, 3354436, 5031654, 5870263, 6708872, 7547481, 10063308, 10901917, 11740526, 13417744, 15094962, 17610789, 20126616, 21803834, 23481052, 26835488, 30189924, 32705751, 35221578, 40253232, 43607668, 46962104, 52832367, 60379848, 65411502, 70443156, 76313419, 80506464, 87215336, 93924208, 98117253, 105664734, 120759696, 130823004, 140886312, 152626838, 174430672, 187848416, 196234506, 211329468, 228940257, 241519392, 261646008, 281772624, 305253676, 348861344, 392469012, 422658936, 457880514, 523292016, 563545248, 610507352, 686820771, 784938024, 845317872, 915761028, 1046584032, 1221014704, 1373641542, 1569876048, 1690635744, 1831522056, 2442029408, 2747283084, 3139752096, 3663044112, 5494566168, 7326088224, 10989132336, 21978264672]

約数ペア:

[(1, 21978264672), (2, 10989132336), (3, 7326088224), (4, 5494566168), (6, 3663044112), (7, 3139752096), (8, 2747283084), (9, 2442029408), (12, 1831522056), (13, 1690635744), (14, 1569876048), (16, 1373641542), (18, 1221014704), (21, 1046584032), (24, 915761028), (26, 845317872), (28, 784938024), (32, 686820771), (36, 610507352), (39, 563545248), (42, 523292016), (48, 457880514), (52, 422658936), (56, 392469012), (63, 348861344), (72, 305253676), (78, 281772624), (84, 261646008), (91, 241519392), (96, 228940257), (104, 211329468), (112, 196234506), (117, 187848416), (126, 174430672), (144, 152626838), (156, 140886312), (168, 130823004), (182, 120759696), (208, 105664734), (224, 98117253), (234, 93924208), (252, 87215336), (273, 80506464), (288, 76313419), (312, 70443156), (336, 65411502), (364, 60379848), (416, 52832367), (468, 46962104), (504, 43607668), (546, 40253232), (624, 35221578), (672, 32705751), (728, 30189924), (819, 26835488), (936, 23481052), (1008, 21803834), (1092, 20126616), (1248, 17610789), (1456, 15094962), (1638, 13417744), (1872, 11740526), (2016, 10901917), (2184, 10063308), (2912, 7547481), (3276, 6708872), (3744, 5870263), (4368, 5031654), (6552, 3354436), (8736, 2515827), (13104, 1677218), (26208, 838609)]