21214512

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{227}}^1$

素因数の和:311

約数の個数: 120

約数和(自身を含む): 66156480

約数和(自身を除く): 44941968

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 33, 36, 44, 48, 59, 66, 72, 88, 99, 118, 132, 144, 176, 177, 198, 227, 236, 264, 354, 396, 454, 472, 528, 531, 649, 681, 708, 792, 908, 944, 1062, 1298, 1362, 1416, 1584, 1816, 1947, 2043, 2124, 2497, 2596, 2724, 2832, 3632, 3894, 4086, 4248, 4994, 5192, 5448, 5841, 7491, 7788, 8172, 8496, 9988, 10384, 10896, 11682, 13393, 14982, 15576, 16344, 19976, 22473, 23364, 26786, 29964, 31152, 32688, 39952, 40179, 44946, 46728, 53572, 59928, 80358, 89892, 93456, 107144, 119856, 120537, 147323, 160716, 179784, 214288, 241074, 294646, 321432, 359568, 441969, 482148, 589292, 642864, 883938, 964296, 1178584, 1325907, 1767876, 1928592, 2357168, 2651814, 3535752, 5303628, 7071504, 10607256, 21214512]

約数ペア:

[(1, 21214512), (2, 10607256), (3, 7071504), (4, 5303628), (6, 3535752), (8, 2651814), (9, 2357168), (11, 1928592), (12, 1767876), (16, 1325907), (18, 1178584), (22, 964296), (24, 883938), (33, 642864), (36, 589292), (44, 482148), (48, 441969), (59, 359568), (66, 321432), (72, 294646), (88, 241074), (99, 214288), (118, 179784), (132, 160716), (144, 147323), (176, 120537), (177, 119856), (198, 107144), (227, 93456), (236, 89892), (264, 80358), (354, 59928), (396, 53572), (454, 46728), (472, 44946), (528, 40179), (531, 39952), (649, 32688), (681, 31152), (708, 29964), (792, 26786), (908, 23364), (944, 22473), (1062, 19976), (1298, 16344), (1362, 15576), (1416, 14982), (1584, 13393), (1816, 11682), (1947, 10896), (2043, 10384), (2124, 9988), (2497, 8496), (2596, 8172), (2724, 7788), (2832, 7491), (3632, 5841), (3894, 5448), (4086, 5192), (4248, 4994)]