21247681832

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{2339}}^1\times {\mathrm{6719}}^1$

素因数の和:9090

約数の個数: 48

約数和(自身を含む): 43164576000

約数和(自身を除く): 21916894168

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 1352, 2339, 4678, 6719, 9356, 13438, 18712, 26876, 30407, 53752, 60814, 87347, 121628, 174694, 243256, 349388, 395291, 698776, 790582, 1135511, 1581164, 2271022, 3162328, 4542044, 9084088, 15715741, 31431482, 62862964, 125725928, 204304633, 408609266, 817218532, 1634437064, 2655960229, 5311920458, 10623840916, 21247681832]

約数ペア:

[(1, 21247681832), (2, 10623840916), (4, 5311920458), (8, 2655960229), (13, 1634437064), (26, 817218532), (52, 408609266), (104, 204304633), (169, 125725928), (338, 62862964), (676, 31431482), (1352, 15715741), (2339, 9084088), (4678, 4542044), (6719, 3162328), (9356, 2271022), (13438, 1581164), (18712, 1135511), (26876, 790582), (30407, 698776), (53752, 395291), (60814, 349388), (87347, 243256), (121628, 174694)]