21373669140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{727}}^1\times {\mathrm{3121}}^1$

素因数の和:4017

約数の個数: 96

約数和(自身を含む): 60329627904

約数和(自身を除く): 38955958764

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 157, 314, 471, 628, 727, 785, 942, 1454, 1570, 1884, 2181, 2355, 2908, 3121, 3140, 3635, 4362, 4710, 6242, 7270, 8724, 9363, 9420, 10905, 12484, 14540, 15605, 18726, 21810, 31210, 37452, 43620, 46815, 62420, 93630, 114139, 187260, 228278, 342417, 456556, 489997, 570695, 684834, 979994, 1141390, 1369668, 1469991, 1712085, 1959988, 2268967, 2282780, 2449985, 2939982, 3424170, 4537934, 4899970, 5879964, 6806901, 6848340, 7349955, 9075868, 9799940, 11344835, 13613802, 14699910, 22689670, 27227604, 29399820, 34034505, 45379340, 68069010, 136138020, 356227819, 712455638, 1068683457, 1424911276, 1781139095, 2137366914, 3562278190, 4274733828, 5343417285, 7124556380, 10686834570, 21373669140]

約数ペア:

[(1, 21373669140), (2, 10686834570), (3, 7124556380), (4, 5343417285), (5, 4274733828), (6, 3562278190), (10, 2137366914), (12, 1781139095), (15, 1424911276), (20, 1068683457), (30, 712455638), (60, 356227819), (157, 136138020), (314, 68069010), (471, 45379340), (628, 34034505), (727, 29399820), (785, 27227604), (942, 22689670), (1454, 14699910), (1570, 13613802), (1884, 11344835), (2181, 9799940), (2355, 9075868), (2908, 7349955), (3121, 6848340), (3140, 6806901), (3635, 5879964), (4362, 4899970), (4710, 4537934), (6242, 3424170), (7270, 2939982), (8724, 2449985), (9363, 2282780), (9420, 2268967), (10905, 1959988), (12484, 1712085), (14540, 1469991), (15605, 1369668), (18726, 1141390), (21810, 979994), (31210, 684834), (37452, 570695), (43620, 489997), (46815, 456556), (62420, 342417), (93630, 228278), (114139, 187260)]