21863310

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{139}}^1$

素因数の和:270

約数の個数: 96

約数和(自身を含む): 62052480

約数和(自身を除く): 40189170

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 107, 139, 147, 210, 214, 245, 278, 294, 321, 417, 490, 535, 642, 695, 735, 749, 834, 973, 1070, 1390, 1470, 1498, 1605, 1946, 2085, 2247, 2919, 3210, 3745, 4170, 4494, 4865, 5243, 5838, 6811, 7490, 9730, 10486, 11235, 13622, 14595, 14873, 15729, 20433, 22470, 26215, 29190, 29746, 31458, 34055, 40866, 44619, 52430, 68110, 74365, 78645, 89238, 102165, 104111, 148730, 157290, 204330, 208222, 223095, 312333, 446190, 520555, 624666, 728777, 1041110, 1457554, 1561665, 2186331, 3123330, 3643885, 4372662, 7287770, 10931655, 21863310]

約数ペア:

[(1, 21863310), (2, 10931655), (3, 7287770), (5, 4372662), (6, 3643885), (7, 3123330), (10, 2186331), (14, 1561665), (15, 1457554), (21, 1041110), (30, 728777), (35, 624666), (42, 520555), (49, 446190), (70, 312333), (98, 223095), (105, 208222), (107, 204330), (139, 157290), (147, 148730), (210, 104111), (214, 102165), (245, 89238), (278, 78645), (294, 74365), (321, 68110), (417, 52430), (490, 44619), (535, 40866), (642, 34055), (695, 31458), (735, 29746), (749, 29190), (834, 26215), (973, 22470), (1070, 20433), (1390, 15729), (1470, 14873), (1498, 14595), (1605, 13622), (1946, 11235), (2085, 10486), (2247, 9730), (2919, 7490), (3210, 6811), (3745, 5838), (4170, 5243), (4494, 4865)]