21130145752

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{486511}}^1$

素因数の和:486667

約数の個数: 32

約数和(自身を含む): 40721054400

約数和(自身を除く): 19590908648

約数列:

[1, 2, 4, 8, 61, 89, 122, 178, 244, 356, 488, 712, 5429, 10858, 21716, 43432, 486511, 973022, 1946044, 3892088, 29677171, 43299479, 59354342, 86598958, 118708684, 173197916, 237417368, 346395832, 2641268219, 5282536438, 10565072876, 21130145752]

約数ペア:

[(1, 21130145752), (2, 10565072876), (4, 5282536438), (8, 2641268219), (61, 346395832), (89, 237417368), (122, 173197916), (178, 118708684), (244, 86598958), (356, 59354342), (488, 43299479), (712, 29677171), (5429, 3892088), (10858, 1946044), (21716, 973022), (43432, 486511)]