21814660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:233

約数の個数: 96

約数和(自身を含む): 56448000

約数和(自身を除く): 34633340

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 59, 70, 76, 95, 118, 133, 139, 140, 190, 236, 266, 278, 295, 380, 413, 532, 556, 590, 665, 695, 826, 973, 1121, 1180, 1330, 1390, 1652, 1946, 2065, 2242, 2641, 2660, 2780, 3892, 4130, 4484, 4865, 5282, 5605, 7847, 8201, 8260, 9730, 10564, 11210, 13205, 15694, 16402, 18487, 19460, 22420, 26410, 31388, 32804, 36974, 39235, 41005, 52820, 57407, 73948, 78470, 82010, 92435, 114814, 155819, 156940, 164020, 184870, 229628, 287035, 311638, 369740, 574070, 623276, 779095, 1090733, 1148140, 1558190, 2181466, 3116380, 4362932, 5453665, 10907330, 21814660]

約数ペア:

[(1, 21814660), (2, 10907330), (4, 5453665), (5, 4362932), (7, 3116380), (10, 2181466), (14, 1558190), (19, 1148140), (20, 1090733), (28, 779095), (35, 623276), (38, 574070), (59, 369740), (70, 311638), (76, 287035), (95, 229628), (118, 184870), (133, 164020), (139, 156940), (140, 155819), (190, 114814), (236, 92435), (266, 82010), (278, 78470), (295, 73948), (380, 57407), (413, 52820), (532, 41005), (556, 39235), (590, 36974), (665, 32804), (695, 31388), (826, 26410), (973, 22420), (1121, 19460), (1180, 18487), (1330, 16402), (1390, 15694), (1652, 13205), (1946, 11210), (2065, 10564), (2242, 9730), (2641, 8260), (2660, 8201), (2780, 7847), (3892, 5605), (4130, 5282), (4484, 4865)]