21893520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{8293}}^1$

素因数の和:8320

約数の個数: 80

約数和(自身を含む): 74048832

約数和(自身を除く): 52155312

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 8293, 16586, 24879, 33172, 41465, 49758, 66344, 82930, 91223, 99516, 124395, 132688, 165860, 182446, 199032, 248790, 273669, 331720, 364892, 398064, 456115, 497580, 547338, 663440, 729784, 912230, 995160, 1094676, 1368345, 1459568, 1824460, 1990320, 2189352, 2736690, 3648920, 4378704, 5473380, 7297840, 10946760, 21893520]

約数ペア:

[(1, 21893520), (2, 10946760), (3, 7297840), (4, 5473380), (5, 4378704), (6, 3648920), (8, 2736690), (10, 2189352), (11, 1990320), (12, 1824460), (15, 1459568), (16, 1368345), (20, 1094676), (22, 995160), (24, 912230), (30, 729784), (33, 663440), (40, 547338), (44, 497580), (48, 456115), (55, 398064), (60, 364892), (66, 331720), (80, 273669), (88, 248790), (110, 199032), (120, 182446), (132, 165860), (165, 132688), (176, 124395), (220, 99516), (240, 91223), (264, 82930), (330, 66344), (440, 49758), (528, 41465), (660, 33172), (880, 24879), (1320, 16586), (2640, 8293)]