21885690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{233}}^1$

素因数の和:375

約数の個数: 64

約数和(自身を含む): 54991872

約数和(自身を除く): 33106182

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 101, 155, 186, 202, 233, 303, 310, 465, 466, 505, 606, 699, 930, 1010, 1165, 1398, 1515, 2330, 3030, 3131, 3495, 6262, 6990, 7223, 9393, 14446, 15655, 18786, 21669, 23533, 31310, 36115, 43338, 46965, 47066, 70599, 72230, 93930, 108345, 117665, 141198, 216690, 235330, 352995, 705990, 729523, 1459046, 2188569, 3647615, 4377138, 7295230, 10942845, 21885690]

約数ペア:

[(1, 21885690), (2, 10942845), (3, 7295230), (5, 4377138), (6, 3647615), (10, 2188569), (15, 1459046), (30, 729523), (31, 705990), (62, 352995), (93, 235330), (101, 216690), (155, 141198), (186, 117665), (202, 108345), (233, 93930), (303, 72230), (310, 70599), (465, 47066), (466, 46965), (505, 43338), (606, 36115), (699, 31310), (930, 23533), (1010, 21669), (1165, 18786), (1398, 15655), (1515, 14446), (2330, 9393), (3030, 7223), (3131, 6990), (3495, 6262)]