21306752

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{8761}}^1$

素因数の和:8794

約数の個数: 32

約数和(自身を含む): 44686200

約数和(自身を除く): 23379448

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 304, 608, 1216, 2432, 8761, 17522, 35044, 70088, 140176, 166459, 280352, 332918, 560704, 665836, 1121408, 1331672, 2663344, 5326688, 10653376, 21306752]

約数ペア:

[(1, 21306752), (2, 10653376), (4, 5326688), (8, 2663344), (16, 1331672), (19, 1121408), (32, 665836), (38, 560704), (64, 332918), (76, 280352), (128, 166459), (152, 140176), (304, 70088), (608, 35044), (1216, 17522), (2432, 8761)]