21354434940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1\times {\mathrm{37397}}^1$

素因数の和:37747

約数の個数: 96

約数和(自身を含む): 61923907584

約数和(自身を除く): 40569472644

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 307, 310, 372, 465, 614, 620, 921, 930, 1228, 1535, 1842, 1860, 3070, 3684, 4605, 6140, 9210, 9517, 18420, 19034, 28551, 37397, 38068, 47585, 57102, 74794, 95170, 112191, 114204, 142755, 149588, 186985, 190340, 224382, 285510, 373970, 448764, 560955, 571020, 747940, 1121910, 1159307, 2243820, 2318614, 3477921, 4637228, 5796535, 6955842, 11480879, 11593070, 13911684, 17389605, 22961758, 23186140, 34442637, 34779210, 45923516, 57404395, 68885274, 69558420, 114808790, 137770548, 172213185, 229617580, 344426370, 355907249, 688852740, 711814498, 1067721747, 1423628996, 1779536245, 2135443494, 3559072490, 4270886988, 5338608735, 7118144980, 10677217470, 21354434940]

約数ペア:

[(1, 21354434940), (2, 10677217470), (3, 7118144980), (4, 5338608735), (5, 4270886988), (6, 3559072490), (10, 2135443494), (12, 1779536245), (15, 1423628996), (20, 1067721747), (30, 711814498), (31, 688852740), (60, 355907249), (62, 344426370), (93, 229617580), (124, 172213185), (155, 137770548), (186, 114808790), (307, 69558420), (310, 68885274), (372, 57404395), (465, 45923516), (614, 34779210), (620, 34442637), (921, 23186140), (930, 22961758), (1228, 17389605), (1535, 13911684), (1842, 11593070), (1860, 11480879), (3070, 6955842), (3684, 5796535), (4605, 4637228), (6140, 3477921), (9210, 2318614), (9517, 2243820), (18420, 1159307), (19034, 1121910), (28551, 747940), (37397, 571020), (38068, 560955), (47585, 448764), (57102, 373970), (74794, 285510), (95170, 224382), (112191, 190340), (114204, 186985), (142755, 149588)]