21720492

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{35491}}^1$

素因数の和:35518

約数の個数: 36

約数和(自身を含む): 58135896

約数和(自身を除く): 36415404

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 153, 204, 306, 612, 35491, 70982, 106473, 141964, 212946, 319419, 425892, 603347, 638838, 1206694, 1277676, 1810041, 2413388, 3620082, 5430123, 7240164, 10860246, 21720492]

約数ペア:

[(1, 21720492), (2, 10860246), (3, 7240164), (4, 5430123), (6, 3620082), (9, 2413388), (12, 1810041), (17, 1277676), (18, 1206694), (34, 638838), (36, 603347), (51, 425892), (68, 319419), (102, 212946), (153, 141964), (204, 106473), (306, 70982), (612, 35491)]