21076398

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{3559}}^1$

素因数の和:3621

約数の個数: 48

約数和(自身を含む): 53314560

約数和(自身を除く): 32238162

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 47, 63, 94, 126, 141, 282, 329, 423, 658, 846, 987, 1974, 2961, 3559, 5922, 7118, 10677, 21354, 24913, 32031, 49826, 64062, 74739, 149478, 167273, 224217, 334546, 448434, 501819, 1003638, 1170911, 1505457, 2341822, 3010914, 3512733, 7025466, 10538199, 21076398]

約数ペア:

[(1, 21076398), (2, 10538199), (3, 7025466), (6, 3512733), (7, 3010914), (9, 2341822), (14, 1505457), (18, 1170911), (21, 1003638), (42, 501819), (47, 448434), (63, 334546), (94, 224217), (126, 167273), (141, 149478), (282, 74739), (329, 64062), (423, 49826), (658, 32031), (846, 24913), (987, 21354), (1974, 10677), (2961, 7118), (3559, 5922)]