21487368

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1619}}^1$

素因数の和:1714

約数の個数: 64

約数和(自身を含む): 62208000

約数和(自身を除く): 40720632

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 79, 84, 158, 168, 237, 316, 474, 553, 632, 948, 1106, 1619, 1659, 1896, 2212, 3238, 3318, 4424, 4857, 6476, 6636, 9714, 11333, 12952, 13272, 19428, 22666, 33999, 38856, 45332, 67998, 90664, 127901, 135996, 255802, 271992, 383703, 511604, 767406, 895307, 1023208, 1534812, 1790614, 2685921, 3069624, 3581228, 5371842, 7162456, 10743684, 21487368]

約数ペア:

[(1, 21487368), (2, 10743684), (3, 7162456), (4, 5371842), (6, 3581228), (7, 3069624), (8, 2685921), (12, 1790614), (14, 1534812), (21, 1023208), (24, 895307), (28, 767406), (42, 511604), (56, 383703), (79, 271992), (84, 255802), (158, 135996), (168, 127901), (237, 90664), (316, 67998), (474, 45332), (553, 38856), (632, 33999), (948, 22666), (1106, 19428), (1619, 13272), (1659, 12952), (1896, 11333), (2212, 9714), (3238, 6636), (3318, 6476), (4424, 4857)]