21167116828

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{59}}^1\times {\mathrm{48247}}^1$

素因数の和:48347

約数の個数: 72

約数和(自身を含む): 44500095360

約数和(自身を除く): 23332978532

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 59, 118, 143, 169, 236, 286, 338, 572, 649, 676, 767, 1298, 1534, 1859, 2596, 3068, 3718, 7436, 8437, 9971, 16874, 19942, 33748, 39884, 48247, 96494, 109681, 192988, 219362, 438724, 530717, 627211, 1061434, 1254422, 2122868, 2508844, 2846573, 5693146, 6899321, 8153743, 11386292, 13798642, 16307486, 27597284, 31312303, 32614972, 37005449, 62624606, 74010898, 89691173, 125249212, 148021796, 179382346, 358764692, 407059939, 481070837, 814119878, 962141674, 1628239756, 1924283348, 5291779207, 10583558414, 21167116828]

約数ペア:

[(1, 21167116828), (2, 10583558414), (4, 5291779207), (11, 1924283348), (13, 1628239756), (22, 962141674), (26, 814119878), (44, 481070837), (52, 407059939), (59, 358764692), (118, 179382346), (143, 148021796), (169, 125249212), (236, 89691173), (286, 74010898), (338, 62624606), (572, 37005449), (649, 32614972), (676, 31312303), (767, 27597284), (1298, 16307486), (1534, 13798642), (1859, 11386292), (2596, 8153743), (3068, 6899321), (3718, 5693146), (7436, 2846573), (8437, 2508844), (9971, 2122868), (16874, 1254422), (19942, 1061434), (33748, 627211), (39884, 530717), (48247, 438724), (96494, 219362), (109681, 192988)]