21599384

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{241}}^1\times {\mathrm{659}}^1$

素因数の和:923

約数の個数: 32

約数和(自身を含む): 43124400

約数和(自身を除く): 21525016

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 241, 482, 659, 964, 1318, 1928, 2636, 4097, 5272, 8194, 11203, 16388, 22406, 32776, 44812, 89624, 158819, 317638, 635276, 1270552, 2699923, 5399846, 10799692, 21599384]

約数ペア:

[(1, 21599384), (2, 10799692), (4, 5399846), (8, 2699923), (17, 1270552), (34, 635276), (68, 317638), (136, 158819), (241, 89624), (482, 44812), (659, 32776), (964, 22406), (1318, 16388), (1928, 11203), (2636, 8194), (4097, 5272)]