21969557680

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{243673}}^1$

素因数の和:243723

約数の個数: 120

約数和(自身を含む): 62002361952

約数和(自身を除く): 40032804272

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 49, 56, 70, 80, 92, 98, 112, 115, 140, 161, 184, 196, 230, 245, 280, 322, 368, 392, 460, 490, 560, 644, 784, 805, 920, 980, 1127, 1288, 1610, 1840, 1960, 2254, 2576, 3220, 3920, 4508, 5635, 6440, 9016, 11270, 12880, 18032, 22540, 45080, 90160, 243673, 487346, 974692, 1218365, 1705711, 1949384, 2436730, 3411422, 3898768, 4873460, 5604479, 6822844, 8528555, 9746920, 11208958, 11939977, 13645688, 17057110, 19493840, 22417916, 23879954, 27291376, 28022395, 34114220, 39231353, 44835832, 47759908, 56044790, 59699885, 68228440, 78462706, 89671664, 95519816, 112089580, 119399770, 136456880, 156925412, 191039632, 196156765, 224179160, 238799540, 274619471, 313850824, 392313530, 448358320, 477599080, 549238942, 627701648, 784627060, 955198160, 1098477884, 1373097355, 1569254120, 2196955768, 2746194710, 3138508240, 4393911536, 5492389420, 10984778840, 21969557680]

約数ペア:

[(1, 21969557680), (2, 10984778840), (4, 5492389420), (5, 4393911536), (7, 3138508240), (8, 2746194710), (10, 2196955768), (14, 1569254120), (16, 1373097355), (20, 1098477884), (23, 955198160), (28, 784627060), (35, 627701648), (40, 549238942), (46, 477599080), (49, 448358320), (56, 392313530), (70, 313850824), (80, 274619471), (92, 238799540), (98, 224179160), (112, 196156765), (115, 191039632), (140, 156925412), (161, 136456880), (184, 119399770), (196, 112089580), (230, 95519816), (245, 89671664), (280, 78462706), (322, 68228440), (368, 59699885), (392, 56044790), (460, 47759908), (490, 44835832), (560, 39231353), (644, 34114220), (784, 28022395), (805, 27291376), (920, 23879954), (980, 22417916), (1127, 19493840), (1288, 17057110), (1610, 13645688), (1840, 11939977), (1960, 11208958), (2254, 9746920), (2576, 8528555), (3220, 6822844), (3920, 5604479), (4508, 4873460), (5635, 3898768), (6440, 3411422), (9016, 2436730), (11270, 1949384), (12880, 1705711), (18032, 1218365), (22540, 974692), (45080, 487346), (90160, 243673)]