21715404

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1$

素因数の和:191

約数の個数: 96

約数和(自身を含む): 57576960

約数和(自身を除く): 35861556

約数列:

[1, 2, 3, 4, 6, 12, 19, 23, 38, 41, 46, 57, 69, 76, 82, 92, 101, 114, 123, 138, 164, 202, 228, 246, 276, 303, 404, 437, 492, 606, 779, 874, 943, 1212, 1311, 1558, 1748, 1886, 1919, 2323, 2337, 2622, 2829, 3116, 3772, 3838, 4141, 4646, 4674, 5244, 5658, 5757, 6969, 7676, 8282, 9292, 9348, 11316, 11514, 12423, 13938, 16564, 17917, 23028, 24846, 27876, 35834, 44137, 49692, 53751, 71668, 78679, 88274, 95243, 107502, 132411, 157358, 176548, 190486, 215004, 236037, 264822, 285729, 314716, 380972, 472074, 529644, 571458, 944148, 1142916, 1809617, 3619234, 5428851, 7238468, 10857702, 21715404]

約数ペア:

[(1, 21715404), (2, 10857702), (3, 7238468), (4, 5428851), (6, 3619234), (12, 1809617), (19, 1142916), (23, 944148), (38, 571458), (41, 529644), (46, 472074), (57, 380972), (69, 314716), (76, 285729), (82, 264822), (92, 236037), (101, 215004), (114, 190486), (123, 176548), (138, 157358), (164, 132411), (202, 107502), (228, 95243), (246, 88274), (276, 78679), (303, 71668), (404, 53751), (437, 49692), (492, 44137), (606, 35834), (779, 27876), (874, 24846), (943, 23028), (1212, 17917), (1311, 16564), (1558, 13938), (1748, 12423), (1886, 11514), (1919, 11316), (2323, 9348), (2337, 9292), (2622, 8282), (2829, 7676), (3116, 6969), (3772, 5757), (3838, 5658), (4141, 5244), (4646, 4674)]