21321030420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{6967657}}^1$

素因数の和:6967689

約数の個数: 72

約数和(自身を含む): 68478142824

約数和(自身を除く): 47157112404

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 6967657, 13935314, 20902971, 27870628, 34838285, 41805942, 62708913, 69676570, 83611884, 104514855, 118450169, 125417826, 139353140, 209029710, 236900338, 250835652, 313544565, 355350507, 418059420, 473800676, 592250845, 627089130, 710701014, 1066051521, 1184501690, 1254178260, 1421402028, 1776752535, 2132103042, 2369003380, 3553505070, 4264206084, 5330257605, 7107010140, 10660515210, 21321030420]

約数ペア:

[(1, 21321030420), (2, 10660515210), (3, 7107010140), (4, 5330257605), (5, 4264206084), (6, 3553505070), (9, 2369003380), (10, 2132103042), (12, 1776752535), (15, 1421402028), (17, 1254178260), (18, 1184501690), (20, 1066051521), (30, 710701014), (34, 627089130), (36, 592250845), (45, 473800676), (51, 418059420), (60, 355350507), (68, 313544565), (85, 250835652), (90, 236900338), (102, 209029710), (153, 139353140), (170, 125417826), (180, 118450169), (204, 104514855), (255, 83611884), (306, 69676570), (340, 62708913), (510, 41805942), (612, 34838285), (765, 27870628), (1020, 20902971), (1530, 13935314), (3060, 6967657)]