21167550

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{2767}}^1$

素因数の和:2802

約数の個数: 72

約数和(自身を含む): 60237216

約数和(自身を除く): 39069666

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 25, 30, 34, 45, 50, 51, 75, 85, 90, 102, 150, 153, 170, 225, 255, 306, 425, 450, 510, 765, 850, 1275, 1530, 2550, 2767, 3825, 5534, 7650, 8301, 13835, 16602, 24903, 27670, 41505, 47039, 49806, 69175, 83010, 94078, 124515, 138350, 141117, 207525, 235195, 249030, 282234, 415050, 423351, 470390, 622575, 705585, 846702, 1175975, 1245150, 1411170, 2116755, 2351950, 3527925, 4233510, 7055850, 10583775, 21167550]

約数ペア:

[(1, 21167550), (2, 10583775), (3, 7055850), (5, 4233510), (6, 3527925), (9, 2351950), (10, 2116755), (15, 1411170), (17, 1245150), (18, 1175975), (25, 846702), (30, 705585), (34, 622575), (45, 470390), (50, 423351), (51, 415050), (75, 282234), (85, 249030), (90, 235195), (102, 207525), (150, 141117), (153, 138350), (170, 124515), (225, 94078), (255, 83010), (306, 69175), (425, 49806), (450, 47039), (510, 41505), (765, 27670), (850, 24903), (1275, 16602), (1530, 13835), (2550, 8301), (2767, 7650), (3825, 5534)]