21060272

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{379}}^1$

素因数の和:561

約数の個数: 40

約数和(自身を含む): 42973440

約数和(自身を除く): 21913168

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 151, 184, 302, 368, 379, 604, 758, 1208, 1516, 2416, 3032, 3473, 6064, 6946, 8717, 13892, 17434, 27784, 34868, 55568, 57229, 69736, 114458, 139472, 228916, 457832, 915664, 1316267, 2632534, 5265068, 10530136, 21060272]

約数ペア:

[(1, 21060272), (2, 10530136), (4, 5265068), (8, 2632534), (16, 1316267), (23, 915664), (46, 457832), (92, 228916), (151, 139472), (184, 114458), (302, 69736), (368, 57229), (379, 55568), (604, 34868), (758, 27784), (1208, 17434), (1516, 13892), (2416, 8717), (3032, 6946), (3473, 6064)]