21177324

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4423}}^1$

素因数の和:4459

約数の個数: 72

約数和(自身を含む): 64413440

約数和(自身を除く): 43236116

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, 252, 266, 342, 399, 532, 684, 798, 1197, 1596, 2394, 4423, 4788, 8846, 13269, 17692, 26538, 30961, 39807, 53076, 61922, 79614, 84037, 92883, 123844, 159228, 168074, 185766, 252111, 278649, 336148, 371532, 504222, 557298, 588259, 756333, 1008444, 1114596, 1176518, 1512666, 1764777, 2353036, 3025332, 3529554, 5294331, 7059108, 10588662, 21177324]

約数ペア:

[(1, 21177324), (2, 10588662), (3, 7059108), (4, 5294331), (6, 3529554), (7, 3025332), (9, 2353036), (12, 1764777), (14, 1512666), (18, 1176518), (19, 1114596), (21, 1008444), (28, 756333), (36, 588259), (38, 557298), (42, 504222), (57, 371532), (63, 336148), (76, 278649), (84, 252111), (114, 185766), (126, 168074), (133, 159228), (171, 123844), (228, 92883), (252, 84037), (266, 79614), (342, 61922), (399, 53076), (532, 39807), (684, 30961), (798, 26538), (1197, 17692), (1596, 13269), (2394, 8846), (4423, 4788)]