21222552

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{271}}^1$

素因数の和:544

約数の個数: 64

約数和(自身を含む): 57576960

約数和(自身を除く): 36354408

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 251, 271, 312, 502, 542, 753, 813, 1004, 1084, 1506, 1626, 2008, 2168, 3012, 3252, 3263, 3523, 6024, 6504, 6526, 7046, 9789, 10569, 13052, 14092, 19578, 21138, 26104, 28184, 39156, 42276, 68021, 78312, 84552, 136042, 204063, 272084, 408126, 544168, 816252, 884273, 1632504, 1768546, 2652819, 3537092, 5305638, 7074184, 10611276, 21222552]

約数ペア:

[(1, 21222552), (2, 10611276), (3, 7074184), (4, 5305638), (6, 3537092), (8, 2652819), (12, 1768546), (13, 1632504), (24, 884273), (26, 816252), (39, 544168), (52, 408126), (78, 272084), (104, 204063), (156, 136042), (251, 84552), (271, 78312), (312, 68021), (502, 42276), (542, 39156), (753, 28184), (813, 26104), (1004, 21138), (1084, 19578), (1506, 14092), (1626, 13052), (2008, 10569), (2168, 9789), (3012, 7046), (3252, 6526), (3263, 6504), (3523, 6024)]