21030152

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{593}}^1$

素因数の和:654

約数の個数: 64

約数和(自身を含む): 47900160

約数和(自身を除く): 26870008

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 31, 44, 52, 62, 88, 104, 124, 143, 248, 286, 341, 403, 572, 593, 682, 806, 1144, 1186, 1364, 1612, 2372, 2728, 3224, 4433, 4744, 6523, 7709, 8866, 13046, 15418, 17732, 18383, 26092, 30836, 35464, 36766, 52184, 61672, 73532, 84799, 147064, 169598, 202213, 238979, 339196, 404426, 477958, 678392, 808852, 955916, 1617704, 1911832, 2628769, 5257538, 10515076, 21030152]

約数ペア:

[(1, 21030152), (2, 10515076), (4, 5257538), (8, 2628769), (11, 1911832), (13, 1617704), (22, 955916), (26, 808852), (31, 678392), (44, 477958), (52, 404426), (62, 339196), (88, 238979), (104, 202213), (124, 169598), (143, 147064), (248, 84799), (286, 73532), (341, 61672), (403, 52184), (572, 36766), (593, 35464), (682, 30836), (806, 26092), (1144, 18383), (1186, 17732), (1364, 15418), (1612, 13046), (2372, 8866), (2728, 7709), (3224, 6523), (4433, 4744)]