21585752

素因数分解:

$2^3\times {\mathrm{107}}^1\times {\mathrm{151}}^1\times {\mathrm{167}}^1$

素因数の和:431

約数の個数: 32

約数和(自身を含む): 41368320

約数和(自身を除く): 19782568

約数列:

[1, 2, 4, 8, 107, 151, 167, 214, 302, 334, 428, 604, 668, 856, 1208, 1336, 16157, 17869, 25217, 32314, 35738, 50434, 64628, 71476, 100868, 129256, 142952, 201736, 2698219, 5396438, 10792876, 21585752]

約数ペア:

[(1, 21585752), (2, 10792876), (4, 5396438), (8, 2698219), (107, 201736), (151, 142952), (167, 129256), (214, 100868), (302, 71476), (334, 64628), (428, 50434), (604, 35738), (668, 32314), (856, 25217), (1208, 17869), (1336, 16157)]