21323970

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7643}}^1$

素因数の和:7687

約数の個数: 48

約数和(自身を含む): 57238272

約数和(自身を除く): 35914302

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 45, 62, 90, 93, 155, 186, 279, 310, 465, 558, 930, 1395, 2790, 7643, 15286, 22929, 38215, 45858, 68787, 76430, 114645, 137574, 229290, 236933, 343935, 473866, 687870, 710799, 1184665, 1421598, 2132397, 2369330, 3553995, 4264794, 7107990, 10661985, 21323970]

約数ペア:

[(1, 21323970), (2, 10661985), (3, 7107990), (5, 4264794), (6, 3553995), (9, 2369330), (10, 2132397), (15, 1421598), (18, 1184665), (30, 710799), (31, 687870), (45, 473866), (62, 343935), (90, 236933), (93, 229290), (155, 137574), (186, 114645), (279, 76430), (310, 68787), (465, 45858), (558, 38215), (930, 22929), (1395, 15286), (2790, 7643)]