21032658

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{691}}^1$

素因数の和:807

約数の個数: 48

約数和(自身を含む): 48578400

約数和(自身を除く): 27545742

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 89, 114, 171, 178, 267, 342, 534, 691, 801, 1382, 1602, 1691, 2073, 3382, 4146, 5073, 6219, 10146, 12438, 13129, 15219, 26258, 30438, 39387, 61499, 78774, 118161, 122998, 184497, 236322, 368994, 553491, 1106982, 1168481, 2336962, 3505443, 7010886, 10516329, 21032658]

約数ペア:

[(1, 21032658), (2, 10516329), (3, 7010886), (6, 3505443), (9, 2336962), (18, 1168481), (19, 1106982), (38, 553491), (57, 368994), (89, 236322), (114, 184497), (171, 122998), (178, 118161), (267, 78774), (342, 61499), (534, 39387), (691, 30438), (801, 26258), (1382, 15219), (1602, 13129), (1691, 12438), (2073, 10146), (3382, 6219), (4146, 5073)]