21819360

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{347}}^1$

素因数の和:496

約数の個数: 96

約数和(自身を含む): 69455232

約数和(自身を除く): 47635872

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 131, 160, 240, 262, 347, 393, 480, 524, 655, 694, 786, 1041, 1048, 1310, 1388, 1572, 1735, 1965, 2082, 2096, 2620, 2776, 3144, 3470, 3930, 4164, 4192, 5205, 5240, 5552, 6288, 6940, 7860, 8328, 10410, 10480, 11104, 12576, 13880, 15720, 16656, 20820, 20960, 27760, 31440, 33312, 41640, 45457, 55520, 62880, 83280, 90914, 136371, 166560, 181828, 227285, 272742, 363656, 454570, 545484, 681855, 727312, 909140, 1090968, 1363710, 1454624, 1818280, 2181936, 2727420, 3636560, 4363872, 5454840, 7273120, 10909680, 21819360]

約数ペア:

[(1, 21819360), (2, 10909680), (3, 7273120), (4, 5454840), (5, 4363872), (6, 3636560), (8, 2727420), (10, 2181936), (12, 1818280), (15, 1454624), (16, 1363710), (20, 1090968), (24, 909140), (30, 727312), (32, 681855), (40, 545484), (48, 454570), (60, 363656), (80, 272742), (96, 227285), (120, 181828), (131, 166560), (160, 136371), (240, 90914), (262, 83280), (347, 62880), (393, 55520), (480, 45457), (524, 41640), (655, 33312), (694, 31440), (786, 27760), (1041, 20960), (1048, 20820), (1310, 16656), (1388, 15720), (1572, 13880), (1735, 12576), (1965, 11104), (2082, 10480), (2096, 10410), (2620, 8328), (2776, 7860), (3144, 6940), (3470, 6288), (3930, 5552), (4164, 5240), (4192, 5205)]