21904514982

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{103}}^1\times {\mathrm{241117}}^1$

素因数の和:241242

約数の個数: 72

約数和(自身を含む): 55744552656

約数和(自身を除く): 33840037674

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 103, 126, 147, 206, 294, 309, 441, 618, 721, 882, 927, 1442, 1854, 2163, 4326, 5047, 6489, 10094, 12978, 15141, 30282, 45423, 90846, 241117, 482234, 723351, 1446702, 1687819, 2170053, 3375638, 4340106, 5063457, 10126914, 11814733, 15190371, 23629466, 24835051, 30380742, 35444199, 49670102, 70888398, 74505153, 106332597, 149010306, 173845357, 212665194, 223515459, 347690714, 447030918, 521536071, 1043072142, 1216917499, 1564608213, 2433834998, 3129216426, 3650752497, 7301504994, 10952257491, 21904514982]

約数ペア:

[(1, 21904514982), (2, 10952257491), (3, 7301504994), (6, 3650752497), (7, 3129216426), (9, 2433834998), (14, 1564608213), (18, 1216917499), (21, 1043072142), (42, 521536071), (49, 447030918), (63, 347690714), (98, 223515459), (103, 212665194), (126, 173845357), (147, 149010306), (206, 106332597), (294, 74505153), (309, 70888398), (441, 49670102), (618, 35444199), (721, 30380742), (882, 24835051), (927, 23629466), (1442, 15190371), (1854, 11814733), (2163, 10126914), (4326, 5063457), (5047, 4340106), (6489, 3375638), (10094, 2170053), (12978, 1687819), (15141, 1446702), (30282, 723351), (45423, 482234), (90846, 241117)]