21155484

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{5857}}^1$

素因数の和:5914

約数の個数: 48

約数和(自身を含む): 57736448

約数和(自身を除く): 36580964

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 43, 84, 86, 129, 172, 258, 301, 516, 602, 903, 1204, 1806, 3612, 5857, 11714, 17571, 23428, 35142, 40999, 70284, 81998, 122997, 163996, 245994, 251851, 491988, 503702, 755553, 1007404, 1511106, 1762957, 3022212, 3525914, 5288871, 7051828, 10577742, 21155484]

約数ペア:

[(1, 21155484), (2, 10577742), (3, 7051828), (4, 5288871), (6, 3525914), (7, 3022212), (12, 1762957), (14, 1511106), (21, 1007404), (28, 755553), (42, 503702), (43, 491988), (84, 251851), (86, 245994), (129, 163996), (172, 122997), (258, 81998), (301, 70284), (516, 40999), (602, 35142), (903, 23428), (1204, 17571), (1806, 11714), (3612, 5857)]