21454398

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{4153}}^1$

素因数の和:4209

約数の個数: 48

約数和(自身を含む): 54434016

約数和(自身を除く): 32979618

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 41, 42, 63, 82, 123, 126, 246, 287, 369, 574, 738, 861, 1722, 2583, 4153, 5166, 8306, 12459, 24918, 29071, 37377, 58142, 74754, 87213, 170273, 174426, 261639, 340546, 510819, 523278, 1021638, 1191911, 1532457, 2383822, 3064914, 3575733, 7151466, 10727199, 21454398]

約数ペア:

[(1, 21454398), (2, 10727199), (3, 7151466), (6, 3575733), (7, 3064914), (9, 2383822), (14, 1532457), (18, 1191911), (21, 1021638), (41, 523278), (42, 510819), (63, 340546), (82, 261639), (123, 174426), (126, 170273), (246, 87213), (287, 74754), (369, 58142), (574, 37377), (738, 29071), (861, 24918), (1722, 12459), (2583, 8306), (4153, 5166)]