21576496815

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{463}}^1\times {\mathrm{60917}}^1$

素因数の和:61408

約数の個数: 48

約数和(自身を含む): 39685396608

約数和(自身を除く): 18108899793

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 463, 765, 1389, 2315, 4167, 6945, 7871, 20835, 23613, 39355, 60917, 70839, 118065, 182751, 304585, 354195, 548253, 913755, 1035589, 2741265, 3106767, 5177945, 9320301, 15533835, 28204571, 46601505, 84613713, 141022855, 253841139, 423068565, 479477707, 1269205695, 1438433121, 2397388535, 4315299363, 7192165605, 21576496815]

約数ペア:

[(1, 21576496815), (3, 7192165605), (5, 4315299363), (9, 2397388535), (15, 1438433121), (17, 1269205695), (45, 479477707), (51, 423068565), (85, 253841139), (153, 141022855), (255, 84613713), (463, 46601505), (765, 28204571), (1389, 15533835), (2315, 9320301), (4167, 5177945), (6945, 3106767), (7871, 2741265), (20835, 1035589), (23613, 913755), (39355, 548253), (60917, 354195), (70839, 304585), (118065, 182751)]