2021231145

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1\times {\mathrm{911}}^1$

素因数の和:1110

約数の個数: 64

約数和(自身を含む): 3467059200

約数和(自身を除く): 1445828055

約数列:

[1, 3, 5, 15, 23, 59, 69, 109, 115, 177, 295, 327, 345, 545, 885, 911, 1357, 1635, 2507, 2733, 4071, 4555, 6431, 6785, 7521, 12535, 13665, 19293, 20355, 20953, 32155, 37605, 53749, 62859, 96465, 99299, 104765, 147913, 161247, 268745, 297897, 314295, 443739, 496495, 739565, 806235, 1236227, 1489485, 2218695, 2283877, 3708681, 5858641, 6181135, 6851631, 11419385, 17575923, 18543405, 29293205, 34258155, 87879615, 134748743, 404246229, 673743715, 2021231145]

約数ペア:

[(1, 2021231145), (3, 673743715), (5, 404246229), (15, 134748743), (23, 87879615), (59, 34258155), (69, 29293205), (109, 18543405), (115, 17575923), (177, 11419385), (295, 6851631), (327, 6181135), (345, 5858641), (545, 3708681), (885, 2283877), (911, 2218695), (1357, 1489485), (1635, 1236227), (2507, 806235), (2733, 739565), (4071, 496495), (4555, 443739), (6431, 314295), (6785, 297897), (7521, 268745), (12535, 161247), (13665, 147913), (19293, 104765), (20355, 99299), (20953, 96465), (32155, 62859), (37605, 53749)]