21142590

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{1213}}^1$

素因数の和:1313

約数の個数: 64

約数和(自身を含む): 58738176

約数和(自身を除く): 37595586

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 83, 105, 166, 210, 249, 415, 498, 581, 830, 1162, 1213, 1245, 1743, 2426, 2490, 2905, 3486, 3639, 5810, 6065, 7278, 8491, 8715, 12130, 16982, 17430, 18195, 25473, 36390, 42455, 50946, 84910, 100679, 127365, 201358, 254730, 302037, 503395, 604074, 704753, 1006790, 1409506, 1510185, 2114259, 3020370, 3523765, 4228518, 7047530, 10571295, 21142590]

約数ペア:

[(1, 21142590), (2, 10571295), (3, 7047530), (5, 4228518), (6, 3523765), (7, 3020370), (10, 2114259), (14, 1510185), (15, 1409506), (21, 1006790), (30, 704753), (35, 604074), (42, 503395), (70, 302037), (83, 254730), (105, 201358), (166, 127365), (210, 100679), (249, 84910), (415, 50946), (498, 42455), (581, 36390), (830, 25473), (1162, 18195), (1213, 17430), (1245, 16982), (1743, 12130), (2426, 8715), (2490, 8491), (2905, 7278), (3486, 6065), (3639, 5810)]