21006210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{269}}^1$

素因数の和:435

約数の個数: 64

約数和(自身を含む): 53654400

約数和(自身を除く): 32648190

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 114, 137, 190, 269, 274, 285, 411, 538, 570, 685, 807, 822, 1345, 1370, 1614, 2055, 2603, 2690, 4035, 4110, 5111, 5206, 7809, 8070, 10222, 13015, 15333, 15618, 25555, 26030, 30666, 36853, 39045, 51110, 73706, 76665, 78090, 110559, 153330, 184265, 221118, 368530, 552795, 700207, 1105590, 1400414, 2100621, 3501035, 4201242, 7002070, 10503105, 21006210]

約数ペア:

[(1, 21006210), (2, 10503105), (3, 7002070), (5, 4201242), (6, 3501035), (10, 2100621), (15, 1400414), (19, 1105590), (30, 700207), (38, 552795), (57, 368530), (95, 221118), (114, 184265), (137, 153330), (190, 110559), (269, 78090), (274, 76665), (285, 73706), (411, 51110), (538, 39045), (570, 36853), (685, 30666), (807, 26030), (822, 25555), (1345, 15618), (1370, 15333), (1614, 13015), (2055, 10222), (2603, 8070), (2690, 7809), (4035, 5206), (4110, 5111)]