21318264

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^2\times {\mathrm{2447}}^1$

素因数の和:2481

約数の個数: 72

約数和(自身を含む): 63488880

約数和(自身を除く): 42170616

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 33, 36, 44, 66, 72, 88, 99, 121, 132, 198, 242, 264, 363, 396, 484, 726, 792, 968, 1089, 1452, 2178, 2447, 2904, 4356, 4894, 7341, 8712, 9788, 14682, 19576, 22023, 26917, 29364, 44046, 53834, 58728, 80751, 88092, 107668, 161502, 176184, 215336, 242253, 296087, 323004, 484506, 592174, 646008, 888261, 969012, 1184348, 1776522, 1938024, 2368696, 2664783, 3553044, 5329566, 7106088, 10659132, 21318264]

約数ペア:

[(1, 21318264), (2, 10659132), (3, 7106088), (4, 5329566), (6, 3553044), (8, 2664783), (9, 2368696), (11, 1938024), (12, 1776522), (18, 1184348), (22, 969012), (24, 888261), (33, 646008), (36, 592174), (44, 484506), (66, 323004), (72, 296087), (88, 242253), (99, 215336), (121, 176184), (132, 161502), (198, 107668), (242, 88092), (264, 80751), (363, 58728), (396, 53834), (484, 44046), (726, 29364), (792, 26917), (968, 22023), (1089, 19576), (1452, 14682), (2178, 9788), (2447, 8712), (2904, 7341), (4356, 4894)]