21848060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4943}}^1$

素因数の和:4982

約数の個数: 48

約数和(自身を含む): 52327296

約数和(自身を除く): 30479236

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 4943, 9886, 19772, 24715, 49430, 64259, 84031, 98860, 128518, 168062, 257036, 321295, 336124, 420155, 642590, 840310, 1092403, 1285180, 1680620, 2184806, 4369612, 5462015, 10924030, 21848060]

約数ペア:

[(1, 21848060), (2, 10924030), (4, 5462015), (5, 4369612), (10, 2184806), (13, 1680620), (17, 1285180), (20, 1092403), (26, 840310), (34, 642590), (52, 420155), (65, 336124), (68, 321295), (85, 257036), (130, 168062), (170, 128518), (221, 98860), (260, 84031), (340, 64259), (442, 49430), (884, 24715), (1105, 19772), (2210, 9886), (4420, 4943)]