21097560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1453}}^1$

素因数の和:1489

約数の個数: 96

約数和(自身を含む): 69617520

約数和(自身を除く): 48519960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 121, 132, 165, 220, 242, 264, 330, 363, 440, 484, 605, 660, 726, 968, 1210, 1320, 1452, 1453, 1815, 2420, 2904, 2906, 3630, 4359, 4840, 5812, 7260, 7265, 8718, 11624, 14520, 14530, 15983, 17436, 21795, 29060, 31966, 34872, 43590, 47949, 58120, 63932, 79915, 87180, 95898, 127864, 159830, 174360, 175813, 191796, 239745, 319660, 351626, 383592, 479490, 527439, 639320, 703252, 879065, 958980, 1054878, 1406504, 1758130, 1917960, 2109756, 2637195, 3516260, 4219512, 5274390, 7032520, 10548780, 21097560]

約数ペア:

[(1, 21097560), (2, 10548780), (3, 7032520), (4, 5274390), (5, 4219512), (6, 3516260), (8, 2637195), (10, 2109756), (11, 1917960), (12, 1758130), (15, 1406504), (20, 1054878), (22, 958980), (24, 879065), (30, 703252), (33, 639320), (40, 527439), (44, 479490), (55, 383592), (60, 351626), (66, 319660), (88, 239745), (110, 191796), (120, 175813), (121, 174360), (132, 159830), (165, 127864), (220, 95898), (242, 87180), (264, 79915), (330, 63932), (363, 58120), (440, 47949), (484, 43590), (605, 34872), (660, 31966), (726, 29060), (968, 21795), (1210, 17436), (1320, 15983), (1452, 14530), (1453, 14520), (1815, 11624), (2420, 8718), (2904, 7265), (2906, 7260), (3630, 5812), (4359, 4840)]