21642704205

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{44383}}^1$

素因数の和:44498

約数の個数: 64

約数和(自身を含む): 38347776000

約数和(自身を除く): 16705071795

約数列:

[1, 3, 5, 15, 19, 29, 57, 59, 87, 95, 145, 177, 285, 295, 435, 551, 885, 1121, 1653, 1711, 2755, 3363, 5133, 5605, 8265, 8555, 16815, 25665, 32509, 44383, 97527, 133149, 162545, 221915, 487635, 665745, 843277, 1287107, 2529831, 2618597, 3861321, 4216385, 6435535, 7855791, 12649155, 13092985, 19306605, 24455033, 39278955, 49753343, 73365099, 75939313, 122275165, 149260029, 227817939, 248766715, 366825495, 379696565, 746300145, 1139089695, 1442846947, 4328540841, 7214234735, 21642704205]

約数ペア:

[(1, 21642704205), (3, 7214234735), (5, 4328540841), (15, 1442846947), (19, 1139089695), (29, 746300145), (57, 379696565), (59, 366825495), (87, 248766715), (95, 227817939), (145, 149260029), (177, 122275165), (285, 75939313), (295, 73365099), (435, 49753343), (551, 39278955), (885, 24455033), (1121, 19306605), (1653, 13092985), (1711, 12649155), (2755, 7855791), (3363, 6435535), (5133, 4216385), (5605, 3861321), (8265, 2618597), (8555, 2529831), (16815, 1287107), (25665, 843277), (32509, 665745), (44383, 487635), (97527, 221915), (133149, 162545)]