21541572

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{229}}^1$

素因数の和:322

約数の個数: 96

約数和(自身を含む): 61308800

約数和(自身を除く): 39767228

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 67, 78, 108, 117, 134, 156, 201, 229, 234, 268, 351, 402, 458, 468, 603, 687, 702, 804, 871, 916, 1206, 1374, 1404, 1742, 1809, 2061, 2412, 2613, 2748, 2977, 3484, 3618, 4122, 5226, 5954, 6183, 7236, 7839, 8244, 8931, 10452, 11908, 12366, 15343, 15678, 17862, 23517, 24732, 26793, 30686, 31356, 35724, 46029, 47034, 53586, 61372, 80379, 92058, 94068, 107172, 138087, 160758, 184116, 199459, 276174, 321516, 398918, 414261, 552348, 598377, 797836, 828522, 1196754, 1657044, 1795131, 2393508, 3590262, 5385393, 7180524, 10770786, 21541572]

約数ペア:

[(1, 21541572), (2, 10770786), (3, 7180524), (4, 5385393), (6, 3590262), (9, 2393508), (12, 1795131), (13, 1657044), (18, 1196754), (26, 828522), (27, 797836), (36, 598377), (39, 552348), (52, 414261), (54, 398918), (67, 321516), (78, 276174), (108, 199459), (117, 184116), (134, 160758), (156, 138087), (201, 107172), (229, 94068), (234, 92058), (268, 80379), (351, 61372), (402, 53586), (458, 47034), (468, 46029), (603, 35724), (687, 31356), (702, 30686), (804, 26793), (871, 24732), (916, 23517), (1206, 17862), (1374, 15678), (1404, 15343), (1742, 12366), (1809, 11908), (2061, 10452), (2412, 8931), (2613, 8244), (2748, 7839), (2977, 7236), (3484, 6183), (3618, 5954), (4122, 5226)]