21321360

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{9871}}^1$

素因数の和:9893

約数の個数: 80

約数和(自身を含む): 73447680

約数和(自身を除く): 52126320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 9871, 19742, 29613, 39484, 49355, 59226, 78968, 88839, 98710, 118452, 148065, 157936, 177678, 197420, 236904, 266517, 296130, 355356, 394840, 444195, 473808, 533034, 592260, 710712, 789680, 888390, 1066068, 1184520, 1332585, 1421424, 1776780, 2132136, 2369040, 2665170, 3553560, 4264272, 5330340, 7107120, 10660680, 21321360]

約数ペア:

[(1, 21321360), (2, 10660680), (3, 7107120), (4, 5330340), (5, 4264272), (6, 3553560), (8, 2665170), (9, 2369040), (10, 2132136), (12, 1776780), (15, 1421424), (16, 1332585), (18, 1184520), (20, 1066068), (24, 888390), (27, 789680), (30, 710712), (36, 592260), (40, 533034), (45, 473808), (48, 444195), (54, 394840), (60, 355356), (72, 296130), (80, 266517), (90, 236904), (108, 197420), (120, 177678), (135, 157936), (144, 148065), (180, 118452), (216, 98710), (240, 88839), (270, 78968), (360, 59226), (432, 49355), (540, 39484), (720, 29613), (1080, 19742), (2160, 9871)]