21319836

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{2549}}^1$

素因数の和:2614

約数の個数: 48

約数和(自身を含む): 53978400

約数和(自身を除く): 32658564

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 41, 51, 68, 82, 102, 123, 164, 204, 246, 492, 697, 1394, 2091, 2549, 2788, 4182, 5098, 7647, 8364, 10196, 15294, 30588, 43333, 86666, 104509, 129999, 173332, 209018, 259998, 313527, 418036, 519996, 627054, 1254108, 1776653, 3553306, 5329959, 7106612, 10659918, 21319836]

約数ペア:

[(1, 21319836), (2, 10659918), (3, 7106612), (4, 5329959), (6, 3553306), (12, 1776653), (17, 1254108), (34, 627054), (41, 519996), (51, 418036), (68, 313527), (82, 259998), (102, 209018), (123, 173332), (164, 129999), (204, 104509), (246, 86666), (492, 43333), (697, 30588), (1394, 15294), (2091, 10196), (2549, 8364), (2788, 7647), (4182, 5098)]