21297960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{883}}^1$

素因数の和:967

約数の個数: 96

約数和(自身を含む): 70331040

約数和(自身を除く): 49033080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 67, 72, 90, 120, 134, 180, 201, 268, 335, 360, 402, 536, 603, 670, 804, 883, 1005, 1206, 1340, 1608, 1766, 2010, 2412, 2649, 2680, 3015, 3532, 4020, 4415, 4824, 5298, 6030, 7064, 7947, 8040, 8830, 10596, 12060, 13245, 15894, 17660, 21192, 24120, 26490, 31788, 35320, 39735, 52980, 59161, 63576, 79470, 105960, 118322, 158940, 177483, 236644, 295805, 317880, 354966, 473288, 532449, 591610, 709932, 887415, 1064898, 1183220, 1419864, 1774830, 2129796, 2366440, 2662245, 3549660, 4259592, 5324490, 7099320, 10648980, 21297960]

約数ペア:

[(1, 21297960), (2, 10648980), (3, 7099320), (4, 5324490), (5, 4259592), (6, 3549660), (8, 2662245), (9, 2366440), (10, 2129796), (12, 1774830), (15, 1419864), (18, 1183220), (20, 1064898), (24, 887415), (30, 709932), (36, 591610), (40, 532449), (45, 473288), (60, 354966), (67, 317880), (72, 295805), (90, 236644), (120, 177483), (134, 158940), (180, 118322), (201, 105960), (268, 79470), (335, 63576), (360, 59161), (402, 52980), (536, 39735), (603, 35320), (670, 31788), (804, 26490), (883, 24120), (1005, 21192), (1206, 17660), (1340, 15894), (1608, 13245), (1766, 12060), (2010, 10596), (2412, 8830), (2649, 8040), (2680, 7947), (3015, 7064), (3532, 6030), (4020, 5298), (4415, 4824)]