21411530

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{1181}}^1$

素因数の和:1239

約数の個数: 48

約数和(自身を含む): 46083816

約数和(自身を除く): 24672286

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 49, 70, 74, 98, 185, 245, 259, 370, 490, 518, 1181, 1295, 1813, 2362, 2590, 3626, 5905, 8267, 9065, 11810, 16534, 18130, 41335, 43697, 57869, 82670, 87394, 115738, 218485, 289345, 305879, 436970, 578690, 611758, 1529395, 2141153, 3058790, 4282306, 10705765, 21411530]

約数ペア:

[(1, 21411530), (2, 10705765), (5, 4282306), (7, 3058790), (10, 2141153), (14, 1529395), (35, 611758), (37, 578690), (49, 436970), (70, 305879), (74, 289345), (98, 218485), (185, 115738), (245, 87394), (259, 82670), (370, 57869), (490, 43697), (518, 41335), (1181, 18130), (1295, 16534), (1813, 11810), (2362, 9065), (2590, 8267), (3626, 5905)]