21769706

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{367}}^1$

素因数の和:618

約数の個数: 32

約数和(自身を含む): 39567360

約数和(自身を除く): 17797654

約数列:

[1, 2, 7, 14, 19, 38, 133, 223, 266, 367, 446, 734, 1561, 2569, 3122, 4237, 5138, 6973, 8474, 13946, 29659, 48811, 59318, 81841, 97622, 163682, 572887, 1145774, 1554979, 3109958, 10884853, 21769706]

約数ペア:

[(1, 21769706), (2, 10884853), (7, 3109958), (14, 1554979), (19, 1145774), (38, 572887), (133, 163682), (223, 97622), (266, 81841), (367, 59318), (446, 48811), (734, 29659), (1561, 13946), (2569, 8474), (3122, 6973), (4237, 5138)]