21944960

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2017}}^1$

素因数の和:2053

約数の個数: 64

約数和(自身を含む): 55575720

約数和(自身を除く): 33630760

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 272, 320, 340, 544, 640, 680, 1088, 1360, 2017, 2176, 2720, 4034, 5440, 8068, 10085, 10880, 16136, 20170, 32272, 34289, 40340, 64544, 68578, 80680, 129088, 137156, 161360, 171445, 258176, 274312, 322720, 342890, 548624, 645440, 685780, 1097248, 1290880, 1371560, 2194496, 2743120, 4388992, 5486240, 10972480, 21944960]

約数ペア:

[(1, 21944960), (2, 10972480), (4, 5486240), (5, 4388992), (8, 2743120), (10, 2194496), (16, 1371560), (17, 1290880), (20, 1097248), (32, 685780), (34, 645440), (40, 548624), (64, 342890), (68, 322720), (80, 274312), (85, 258176), (128, 171445), (136, 161360), (160, 137156), (170, 129088), (272, 80680), (320, 68578), (340, 64544), (544, 40340), (640, 34289), (680, 32272), (1088, 20170), (1360, 16136), (2017, 10880), (2176, 10085), (2720, 8068), (4034, 5440)]