21922040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{1327}}^1$

素因数の和:1404

約数の個数: 64

約数和(自身を含む): 57369600

約数和(自身を除く): 35447560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 59, 70, 118, 140, 236, 280, 295, 413, 472, 590, 826, 1180, 1327, 1652, 2065, 2360, 2654, 3304, 4130, 5308, 6635, 8260, 9289, 10616, 13270, 16520, 18578, 26540, 37156, 46445, 53080, 74312, 78293, 92890, 156586, 185780, 313172, 371560, 391465, 548051, 626344, 782930, 1096102, 1565860, 2192204, 2740255, 3131720, 4384408, 5480510, 10961020, 21922040]

約数ペア:

[(1, 21922040), (2, 10961020), (4, 5480510), (5, 4384408), (7, 3131720), (8, 2740255), (10, 2192204), (14, 1565860), (20, 1096102), (28, 782930), (35, 626344), (40, 548051), (56, 391465), (59, 371560), (70, 313172), (118, 185780), (140, 156586), (236, 92890), (280, 78293), (295, 74312), (413, 53080), (472, 46445), (590, 37156), (826, 26540), (1180, 18578), (1327, 16520), (1652, 13270), (2065, 10616), (2360, 9289), (2654, 8260), (3304, 6635), (4130, 5308)]