21967040

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3613}}^1$

素因数の和:3649

約数の個数: 56

約数和(自身を含む): 55077360

約数和(自身を除く): 33110320

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, 3613, 6080, 7226, 14452, 18065, 28904, 36130, 57808, 68647, 72260, 115616, 137294, 144520, 231232, 274588, 289040, 343235, 549176, 578080, 686470, 1098352, 1156160, 1372940, 2196704, 2745880, 4393408, 5491760, 10983520, 21967040]

約数ペア:

[(1, 21967040), (2, 10983520), (4, 5491760), (5, 4393408), (8, 2745880), (10, 2196704), (16, 1372940), (19, 1156160), (20, 1098352), (32, 686470), (38, 578080), (40, 549176), (64, 343235), (76, 289040), (80, 274588), (95, 231232), (152, 144520), (160, 137294), (190, 115616), (304, 72260), (320, 68647), (380, 57808), (608, 36130), (760, 28904), (1216, 18065), (1520, 14452), (3040, 7226), (3613, 6080)]