21572528

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{31}}^2\times {\mathrm{61}}^1$

素因数の和:154

約数の個数: 60

約数和(自身を含む): 45805104

約数和(自身を除く): 24232576

約数列:

[1, 2, 4, 8, 16, 23, 31, 46, 61, 62, 92, 122, 124, 184, 244, 248, 368, 488, 496, 713, 961, 976, 1403, 1426, 1891, 1922, 2806, 2852, 3782, 3844, 5612, 5704, 7564, 7688, 11224, 11408, 15128, 15376, 22103, 22448, 30256, 43493, 44206, 58621, 86986, 88412, 117242, 173972, 176824, 234484, 347944, 353648, 468968, 695888, 937936, 1348283, 2696566, 5393132, 10786264, 21572528]

約数ペア:

[(1, 21572528), (2, 10786264), (4, 5393132), (8, 2696566), (16, 1348283), (23, 937936), (31, 695888), (46, 468968), (61, 353648), (62, 347944), (92, 234484), (122, 176824), (124, 173972), (184, 117242), (244, 88412), (248, 86986), (368, 58621), (488, 44206), (496, 43493), (713, 30256), (961, 22448), (976, 22103), (1403, 15376), (1426, 15128), (1891, 11408), (1922, 11224), (2806, 7688), (2852, 7564), (3782, 5704), (3844, 5612)]