21998820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{269}}^1$

素因数の和:357

約数の個数: 96

約数和(自身を含む): 65318400

約数和(自身を除く): 43319580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 47, 58, 60, 87, 94, 116, 141, 145, 174, 188, 235, 269, 282, 290, 348, 435, 470, 538, 564, 580, 705, 807, 870, 940, 1076, 1345, 1363, 1410, 1614, 1740, 2690, 2726, 2820, 3228, 4035, 4089, 5380, 5452, 6815, 7801, 8070, 8178, 12643, 13630, 15602, 16140, 16356, 20445, 23403, 25286, 27260, 31204, 37929, 39005, 40890, 46806, 50572, 63215, 75858, 78010, 81780, 93612, 117015, 126430, 151716, 156020, 189645, 234030, 252860, 366647, 379290, 468060, 733294, 758580, 1099941, 1466588, 1833235, 2199882, 3666470, 4399764, 5499705, 7332940, 10999410, 21998820]

約数ペア:

[(1, 21998820), (2, 10999410), (3, 7332940), (4, 5499705), (5, 4399764), (6, 3666470), (10, 2199882), (12, 1833235), (15, 1466588), (20, 1099941), (29, 758580), (30, 733294), (47, 468060), (58, 379290), (60, 366647), (87, 252860), (94, 234030), (116, 189645), (141, 156020), (145, 151716), (174, 126430), (188, 117015), (235, 93612), (269, 81780), (282, 78010), (290, 75858), (348, 63215), (435, 50572), (470, 46806), (538, 40890), (564, 39005), (580, 37929), (705, 31204), (807, 27260), (870, 25286), (940, 23403), (1076, 20445), (1345, 16356), (1363, 16140), (1410, 15602), (1614, 13630), (1740, 12643), (2690, 8178), (2726, 8070), (2820, 7801), (3228, 6815), (4035, 5452), (4089, 5380)]