21217464

素因数分解:

$2^3\times 3^4\times {\mathrm{137}}^1\times {\mathrm{239}}^1$

素因数の和:394

約数の個数: 80

約数和(自身を含む): 60112800

約数和(自身を除く): 38895336

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 137, 162, 216, 239, 274, 324, 411, 478, 548, 648, 717, 822, 956, 1096, 1233, 1434, 1644, 1912, 2151, 2466, 2868, 3288, 3699, 4302, 4932, 5736, 6453, 7398, 8604, 9864, 11097, 12906, 14796, 17208, 19359, 22194, 25812, 29592, 32743, 38718, 44388, 51624, 65486, 77436, 88776, 98229, 130972, 154872, 196458, 261944, 294687, 392916, 589374, 785832, 884061, 1178748, 1768122, 2357496, 2652183, 3536244, 5304366, 7072488, 10608732, 21217464]

約数ペア:

[(1, 21217464), (2, 10608732), (3, 7072488), (4, 5304366), (6, 3536244), (8, 2652183), (9, 2357496), (12, 1768122), (18, 1178748), (24, 884061), (27, 785832), (36, 589374), (54, 392916), (72, 294687), (81, 261944), (108, 196458), (137, 154872), (162, 130972), (216, 98229), (239, 88776), (274, 77436), (324, 65486), (411, 51624), (478, 44388), (548, 38718), (648, 32743), (717, 29592), (822, 25812), (956, 22194), (1096, 19359), (1233, 17208), (1434, 14796), (1644, 12906), (1912, 11097), (2151, 9864), (2466, 8604), (2868, 7398), (3288, 6453), (3699, 5736), (4302, 4932)]