21761520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{8243}}^1$

素因数の和:8270

約数の個数: 80

約数和(自身を含む): 73602432

約数和(自身を除く): 51840912

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, 8243, 16486, 24729, 32972, 41215, 49458, 65944, 82430, 90673, 98916, 123645, 131888, 164860, 181346, 197832, 247290, 272019, 329720, 362692, 395664, 453365, 494580, 544038, 659440, 725384, 906730, 989160, 1088076, 1360095, 1450768, 1813460, 1978320, 2176152, 2720190, 3626920, 4352304, 5440380, 7253840, 10880760, 21761520]

約数ペア:

[(1, 21761520), (2, 10880760), (3, 7253840), (4, 5440380), (5, 4352304), (6, 3626920), (8, 2720190), (10, 2176152), (11, 1978320), (12, 1813460), (15, 1450768), (16, 1360095), (20, 1088076), (22, 989160), (24, 906730), (30, 725384), (33, 659440), (40, 544038), (44, 494580), (48, 453365), (55, 395664), (60, 362692), (66, 329720), (80, 272019), (88, 247290), (110, 197832), (120, 181346), (132, 164860), (165, 131888), (176, 123645), (220, 98916), (240, 90673), (264, 82430), (330, 65944), (440, 49458), (528, 41215), (660, 32972), (880, 24729), (1320, 16486), (2640, 8243)]