21369801.000000000

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{11933}}^1$

素因数の和:12058

約数の個数: 64

約数和(自身を含む): 630115200

約数和(自身を除く): 411598104

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 109, 168, 218, 327, 436, 654, 763, 872, 1308, 1526, 2289, 2616, 3052, 4578, 6104, 9156, 11933, 18312, 23866, 35799, 47732, 71598, 83531, 95464, 143196, 167062, 250593, 286392, 334124, 501186, 668248, 1002372, 1300697, 2004744, 2601394, 3902091, 5202788, 7804182, 9104879, 10405576, 15608364, 18209758, 27314637, 31216728, 36419516, 54629274, 72839032, 109258548, 218517096]

約数ペア:

[(1, 218517096), (2, 109258548), (3, 72839032), (4, 54629274), (6, 36419516), (7, 31216728), (8, 27314637), (12, 18209758), (14, 15608364), (21, 10405576), (24, 9104879), (28, 7804182), (42, 5202788), (56, 3902091), (84, 2601394), (109, 2004744), (168, 1300697), (218, 1002372), (327, 668248), (436, 501186), (654, 334124), (763, 286392), (872, 250593), (1308, 167062), (1526, 143196), (2289, 95464), (2616, 83531), (3052, 71598), (4578, 47732), (6104, 35799), (9156, 23866), (11933, 18312)]