21742308

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{239}}^1$

素因数の和:294

約数の個数: 108

約数和(自身を含む): 66568320

約数和(自身を除く): 44826012

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 42, 57, 63, 76, 84, 114, 126, 133, 171, 228, 239, 252, 266, 342, 361, 399, 478, 532, 684, 717, 722, 798, 956, 1083, 1197, 1434, 1444, 1596, 1673, 2151, 2166, 2394, 2527, 2868, 3249, 3346, 4302, 4332, 4541, 4788, 5019, 5054, 6498, 6692, 7581, 8604, 9082, 10038, 10108, 12996, 13623, 15057, 15162, 18164, 20076, 22743, 27246, 30114, 30324, 31787, 40869, 45486, 54492, 60228, 63574, 81738, 86279, 90972, 95361, 127148, 163476, 172558, 190722, 258837, 286083, 345116, 381444, 517674, 572166, 603953, 776511, 1035348, 1144332, 1207906, 1553022, 1811859, 2415812, 3106044, 3623718, 5435577, 7247436, 10871154, 21742308]

約数ペア:

[(1, 21742308), (2, 10871154), (3, 7247436), (4, 5435577), (6, 3623718), (7, 3106044), (9, 2415812), (12, 1811859), (14, 1553022), (18, 1207906), (19, 1144332), (21, 1035348), (28, 776511), (36, 603953), (38, 572166), (42, 517674), (57, 381444), (63, 345116), (76, 286083), (84, 258837), (114, 190722), (126, 172558), (133, 163476), (171, 127148), (228, 95361), (239, 90972), (252, 86279), (266, 81738), (342, 63574), (361, 60228), (399, 54492), (478, 45486), (532, 40869), (684, 31787), (717, 30324), (722, 30114), (798, 27246), (956, 22743), (1083, 20076), (1197, 18164), (1434, 15162), (1444, 15057), (1596, 13623), (1673, 12996), (2151, 10108), (2166, 10038), (2394, 9082), (2527, 8604), (2868, 7581), (3249, 6692), (3346, 6498), (4302, 5054), (4332, 5019), (4541, 4788)]