21686526

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{541}}^1$

素因数の和:697

約数の個数: 48

約数和(自身を含む): 50223888

約数和(自身を除く): 28537362

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 131, 153, 262, 306, 393, 541, 786, 1082, 1179, 1623, 2227, 2358, 3246, 4454, 4869, 6681, 9197, 9738, 13362, 18394, 20043, 27591, 40086, 55182, 70871, 82773, 141742, 165546, 212613, 425226, 637839, 1204807, 1275678, 2409614, 3614421, 7228842, 10843263, 21686526]

約数ペア:

[(1, 21686526), (2, 10843263), (3, 7228842), (6, 3614421), (9, 2409614), (17, 1275678), (18, 1204807), (34, 637839), (51, 425226), (102, 212613), (131, 165546), (153, 141742), (262, 82773), (306, 70871), (393, 55182), (541, 40086), (786, 27591), (1082, 20043), (1179, 18394), (1623, 13362), (2227, 9738), (2358, 9197), (3246, 6681), (4454, 4869)]