21207909060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{477011}}^1$

素因数の和:477058

約数の個数: 144

約数和(自身を含む): 72925594560

約数和(自身を除く): 51717685500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 26, 30, 36, 38, 39, 45, 52, 57, 60, 65, 76, 78, 90, 95, 114, 117, 130, 156, 171, 180, 190, 195, 228, 234, 247, 260, 285, 342, 380, 390, 468, 494, 570, 585, 684, 741, 780, 855, 988, 1140, 1170, 1235, 1482, 1710, 2223, 2340, 2470, 2964, 3420, 3705, 4446, 4940, 7410, 8892, 11115, 14820, 22230, 44460, 477011, 954022, 1431033, 1908044, 2385055, 2862066, 4293099, 4770110, 5724132, 6201143, 7155165, 8586198, 9063209, 9540220, 12402286, 14310330, 17172396, 18126418, 18603429, 21465495, 24804572, 27189627, 28620660, 31005715, 36252836, 37206858, 42930990, 45316045, 54379254, 55810287, 62011430, 74413716, 81568881, 85861980, 90632090, 93017145, 108758508, 111620574, 117821717, 124022860, 135948135, 163137762, 181264180, 186034290, 223241148, 235643434, 271896270, 279051435, 326275524, 353465151, 372068580, 407844405, 471286868, 543792540, 558102870, 589108585, 706930302, 815688810, 1060395453, 1116205740, 1178217170, 1413860604, 1631377620, 1767325755, 2120790906, 2356434340, 3534651510, 4241581812, 5301977265, 7069303020, 10603954530, 21207909060]

約数ペア:

[(1, 21207909060), (2, 10603954530), (3, 7069303020), (4, 5301977265), (5, 4241581812), (6, 3534651510), (9, 2356434340), (10, 2120790906), (12, 1767325755), (13, 1631377620), (15, 1413860604), (18, 1178217170), (19, 1116205740), (20, 1060395453), (26, 815688810), (30, 706930302), (36, 589108585), (38, 558102870), (39, 543792540), (45, 471286868), (52, 407844405), (57, 372068580), (60, 353465151), (65, 326275524), (76, 279051435), (78, 271896270), (90, 235643434), (95, 223241148), (114, 186034290), (117, 181264180), (130, 163137762), (156, 135948135), (171, 124022860), (180, 117821717), (190, 111620574), (195, 108758508), (228, 93017145), (234, 90632090), (247, 85861980), (260, 81568881), (285, 74413716), (342, 62011430), (380, 55810287), (390, 54379254), (468, 45316045), (494, 42930990), (570, 37206858), (585, 36252836), (684, 31005715), (741, 28620660), (780, 27189627), (855, 24804572), (988, 21465495), (1140, 18603429), (1170, 18126418), (1235, 17172396), (1482, 14310330), (1710, 12402286), (2223, 9540220), (2340, 9063209), (2470, 8586198), (2964, 7155165), (3420, 6201143), (3705, 5724132), (4446, 4770110), (4940, 4293099), (7410, 2862066), (8892, 2385055), (11115, 1908044), (14820, 1431033), (22230, 954022), (44460, 477011)]