21863268

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{859}}^1$

素因数の和:977

約数の個数: 72

約数和(自身を含む): 63860160

約数和(自身を除く): 41996892

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 101, 126, 202, 252, 303, 404, 606, 707, 859, 909, 1212, 1414, 1718, 1818, 2121, 2577, 2828, 3436, 3636, 4242, 5154, 6013, 6363, 7731, 8484, 10308, 12026, 12726, 15462, 18039, 24052, 25452, 30924, 36078, 54117, 72156, 86759, 108234, 173518, 216468, 260277, 347036, 520554, 607313, 780831, 1041108, 1214626, 1561662, 1821939, 2429252, 3123324, 3643878, 5465817, 7287756, 10931634, 21863268]

約数ペア:

[(1, 21863268), (2, 10931634), (3, 7287756), (4, 5465817), (6, 3643878), (7, 3123324), (9, 2429252), (12, 1821939), (14, 1561662), (18, 1214626), (21, 1041108), (28, 780831), (36, 607313), (42, 520554), (63, 347036), (84, 260277), (101, 216468), (126, 173518), (202, 108234), (252, 86759), (303, 72156), (404, 54117), (606, 36078), (707, 30924), (859, 25452), (909, 24052), (1212, 18039), (1414, 15462), (1718, 12726), (1818, 12026), (2121, 10308), (2577, 8484), (2828, 7731), (3436, 6363), (3636, 6013), (4242, 5154)]