21862764

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{11}}^2\times {\mathrm{239}}^1$

素因数の和:281

約数の個数: 144

約数和(自身を含む): 71500800

約数和(自身を除く): 49638036

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 27, 28, 33, 36, 42, 44, 54, 63, 66, 77, 84, 99, 108, 121, 126, 132, 154, 189, 198, 231, 239, 242, 252, 297, 308, 363, 378, 396, 462, 478, 484, 594, 693, 717, 726, 756, 847, 924, 956, 1089, 1188, 1386, 1434, 1452, 1673, 1694, 2079, 2151, 2178, 2541, 2629, 2772, 2868, 3267, 3346, 3388, 4158, 4302, 4356, 5019, 5082, 5258, 6453, 6534, 6692, 7623, 7887, 8316, 8604, 10038, 10164, 10516, 12906, 13068, 15057, 15246, 15774, 18403, 20076, 22869, 23661, 25812, 28919, 30114, 30492, 31548, 36806, 45171, 45738, 47322, 55209, 57838, 60228, 70983, 73612, 86757, 90342, 91476, 94644, 110418, 115676, 141966, 165627, 173514, 180684, 202433, 220836, 260271, 283932, 331254, 347028, 404866, 496881, 520542, 607299, 662508, 780813, 809732, 993762, 1041084, 1214598, 1561626, 1821897, 1987524, 2429196, 3123252, 3643794, 5465691, 7287588, 10931382, 21862764]

約数ペア:

[(1, 21862764), (2, 10931382), (3, 7287588), (4, 5465691), (6, 3643794), (7, 3123252), (9, 2429196), (11, 1987524), (12, 1821897), (14, 1561626), (18, 1214598), (21, 1041084), (22, 993762), (27, 809732), (28, 780813), (33, 662508), (36, 607299), (42, 520542), (44, 496881), (54, 404866), (63, 347028), (66, 331254), (77, 283932), (84, 260271), (99, 220836), (108, 202433), (121, 180684), (126, 173514), (132, 165627), (154, 141966), (189, 115676), (198, 110418), (231, 94644), (239, 91476), (242, 90342), (252, 86757), (297, 73612), (308, 70983), (363, 60228), (378, 57838), (396, 55209), (462, 47322), (478, 45738), (484, 45171), (594, 36806), (693, 31548), (717, 30492), (726, 30114), (756, 28919), (847, 25812), (924, 23661), (956, 22869), (1089, 20076), (1188, 18403), (1386, 15774), (1434, 15246), (1452, 15057), (1673, 13068), (1694, 12906), (2079, 10516), (2151, 10164), (2178, 10038), (2541, 8604), (2629, 8316), (2772, 7887), (2868, 7623), (3267, 6692), (3346, 6534), (3388, 6453), (4158, 5258), (4302, 5082), (4356, 5019)]