21270444

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{2311}}^1$

素因数の和:2390

約数の個数: 48

約数和(自身を含む): 54378240

約数和(自身を除く): 33107796

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 59, 78, 118, 156, 177, 236, 354, 708, 767, 1534, 2301, 2311, 3068, 4602, 4622, 6933, 9204, 9244, 13866, 27732, 30043, 60086, 90129, 120172, 136349, 180258, 272698, 360516, 409047, 545396, 818094, 1636188, 1772537, 3545074, 5317611, 7090148, 10635222, 21270444]

約数ペア:

[(1, 21270444), (2, 10635222), (3, 7090148), (4, 5317611), (6, 3545074), (12, 1772537), (13, 1636188), (26, 818094), (39, 545396), (52, 409047), (59, 360516), (78, 272698), (118, 180258), (156, 136349), (177, 120172), (236, 90129), (354, 60086), (708, 30043), (767, 27732), (1534, 13866), (2301, 9244), (2311, 9204), (3068, 6933), (4602, 4622)]