21794370

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:140

約数の個数: 128

約数和(自身を含む): 60963840

約数和(自身を除く): 39169470

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 29, 30, 39, 41, 47, 58, 65, 78, 82, 87, 94, 123, 130, 141, 145, 174, 195, 205, 235, 246, 282, 290, 377, 390, 410, 435, 470, 533, 611, 615, 705, 754, 870, 1066, 1131, 1189, 1222, 1230, 1363, 1410, 1599, 1833, 1885, 1927, 2262, 2378, 2665, 2726, 3055, 3198, 3567, 3666, 3770, 3854, 4089, 5330, 5655, 5781, 5945, 6110, 6815, 7134, 7995, 8178, 9165, 9635, 11310, 11562, 11890, 13630, 15457, 15990, 17719, 17835, 18330, 19270, 20445, 25051, 28905, 30914, 35438, 35670, 40890, 46371, 50102, 53157, 55883, 57810, 75153, 77285, 88595, 92742, 106314, 111766, 125255, 150306, 154570, 167649, 177190, 231855, 250510, 265785, 279415, 335298, 375765, 463710, 531570, 558830, 726479, 751530, 838245, 1452958, 1676490, 2179437, 3632395, 4358874, 7264790, 10897185, 21794370]

約数ペア:

[(1, 21794370), (2, 10897185), (3, 7264790), (5, 4358874), (6, 3632395), (10, 2179437), (13, 1676490), (15, 1452958), (26, 838245), (29, 751530), (30, 726479), (39, 558830), (41, 531570), (47, 463710), (58, 375765), (65, 335298), (78, 279415), (82, 265785), (87, 250510), (94, 231855), (123, 177190), (130, 167649), (141, 154570), (145, 150306), (174, 125255), (195, 111766), (205, 106314), (235, 92742), (246, 88595), (282, 77285), (290, 75153), (377, 57810), (390, 55883), (410, 53157), (435, 50102), (470, 46371), (533, 40890), (611, 35670), (615, 35438), (705, 30914), (754, 28905), (870, 25051), (1066, 20445), (1131, 19270), (1189, 18330), (1222, 17835), (1230, 17719), (1363, 15990), (1410, 15457), (1599, 13630), (1833, 11890), (1885, 11562), (1927, 11310), (2262, 9635), (2378, 9165), (2665, 8178), (2726, 7995), (3055, 7134), (3198, 6815), (3567, 6110), (3666, 5945), (3770, 5781), (3854, 5655), (4089, 5330)]