21845440

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3593}}^1$

素因数の和:3629

約数の個数: 56

約数和(自身を含む): 54772560

約数和(自身を除く): 32927120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 152, 160, 190, 304, 320, 380, 608, 760, 1216, 1520, 3040, 3593, 6080, 7186, 14372, 17965, 28744, 35930, 57488, 68267, 71860, 114976, 136534, 143720, 229952, 273068, 287440, 341335, 546136, 574880, 682670, 1092272, 1149760, 1365340, 2184544, 2730680, 4369088, 5461360, 10922720, 21845440]

約数ペア:

[(1, 21845440), (2, 10922720), (4, 5461360), (5, 4369088), (8, 2730680), (10, 2184544), (16, 1365340), (19, 1149760), (20, 1092272), (32, 682670), (38, 574880), (40, 546136), (64, 341335), (76, 287440), (80, 273068), (95, 229952), (152, 143720), (160, 136534), (190, 114976), (304, 71860), (320, 68267), (380, 57488), (608, 35930), (760, 28744), (1216, 17965), (1520, 14372), (3040, 7186), (3593, 6080)]