21072690

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{4591}}^1$

素因数の和:4624

約数の個数: 64

約数和(自身を含む): 59512320

約数和(自身を除く): 38439630

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 27, 30, 34, 45, 51, 54, 85, 90, 102, 135, 153, 170, 255, 270, 306, 459, 510, 765, 918, 1530, 2295, 4590, 4591, 9182, 13773, 22955, 27546, 41319, 45910, 68865, 78047, 82638, 123957, 137730, 156094, 206595, 234141, 247914, 390235, 413190, 468282, 619785, 702423, 780470, 1170705, 1239570, 1404846, 2107269, 2341410, 3512115, 4214538, 7024230, 10536345, 21072690]

約数ペア:

[(1, 21072690), (2, 10536345), (3, 7024230), (5, 4214538), (6, 3512115), (9, 2341410), (10, 2107269), (15, 1404846), (17, 1239570), (18, 1170705), (27, 780470), (30, 702423), (34, 619785), (45, 468282), (51, 413190), (54, 390235), (85, 247914), (90, 234141), (102, 206595), (135, 156094), (153, 137730), (170, 123957), (255, 82638), (270, 78047), (306, 68865), (459, 45910), (510, 41319), (765, 27546), (918, 22955), (1530, 13773), (2295, 9182), (4590, 4591)]