21078566490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{601}}^1\times {\mathrm{17449}}^1$

素因数の和:18127

約数の個数: 64

約数和(自身を含む): 51431990400

約数和(自身を除く): 30353423910

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 67, 134, 201, 335, 402, 601, 670, 1005, 1202, 1803, 2010, 3005, 3606, 6010, 9015, 17449, 18030, 34898, 40267, 52347, 80534, 87245, 104694, 120801, 174490, 201335, 241602, 261735, 402670, 523470, 604005, 1169083, 1208010, 2338166, 3507249, 5845415, 7014498, 10486849, 11690830, 17536245, 20973698, 31460547, 35072490, 52434245, 62921094, 104868490, 157302735, 314605470, 702618883, 1405237766, 2107856649, 3513094415, 4215713298, 7026188830, 10539283245, 21078566490]

約数ペア:

[(1, 21078566490), (2, 10539283245), (3, 7026188830), (5, 4215713298), (6, 3513094415), (10, 2107856649), (15, 1405237766), (30, 702618883), (67, 314605470), (134, 157302735), (201, 104868490), (335, 62921094), (402, 52434245), (601, 35072490), (670, 31460547), (1005, 20973698), (1202, 17536245), (1803, 11690830), (2010, 10486849), (3005, 7014498), (3606, 5845415), (6010, 3507249), (9015, 2338166), (17449, 1208010), (18030, 1169083), (34898, 604005), (40267, 523470), (52347, 402670), (80534, 261735), (87245, 241602), (104694, 201335), (120801, 174490)]