21698820

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1$

素因数の和:323

約数の個数: 192

約数和(自身を含む): 79591680

約数和(自身を除く): 57892860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 13, 15, 18, 20, 22, 26, 27, 30, 33, 36, 39, 44, 45, 52, 54, 55, 60, 65, 66, 78, 90, 99, 108, 110, 117, 130, 132, 135, 143, 156, 165, 180, 195, 198, 220, 234, 260, 270, 281, 286, 297, 330, 351, 390, 396, 429, 468, 495, 540, 562, 572, 585, 594, 660, 702, 715, 780, 843, 858, 990, 1124, 1170, 1188, 1287, 1404, 1405, 1430, 1485, 1686, 1716, 1755, 1980, 2145, 2340, 2529, 2574, 2810, 2860, 2970, 3091, 3372, 3510, 3653, 3861, 4215, 4290, 5058, 5148, 5620, 5940, 6182, 6435, 7020, 7306, 7587, 7722, 8430, 8580, 9273, 10116, 10959, 12364, 12645, 12870, 14612, 15174, 15444, 15455, 16860, 18265, 18546, 19305, 21918, 25290, 25740, 27819, 30348, 30910, 32877, 36530, 37092, 37935, 38610, 40183, 43836, 46365, 50580, 54795, 55638, 61820, 65754, 73060, 75870, 77220, 80366, 83457, 92730, 98631, 109590, 111276, 120549, 131508, 139095, 151740, 160732, 164385, 166914, 185460, 197262, 200915, 219180, 241098, 278190, 328770, 333828, 361647, 394524, 401830, 417285, 482196, 493155, 556380, 602745, 657540, 723294, 803660, 834570, 986310, 1084941, 1205490, 1446588, 1669140, 1808235, 1972620, 2169882, 2410980, 3616470, 4339764, 5424705, 7232940, 10849410, 21698820]

約数ペア:

[(1, 21698820), (2, 10849410), (3, 7232940), (4, 5424705), (5, 4339764), (6, 3616470), (9, 2410980), (10, 2169882), (11, 1972620), (12, 1808235), (13, 1669140), (15, 1446588), (18, 1205490), (20, 1084941), (22, 986310), (26, 834570), (27, 803660), (30, 723294), (33, 657540), (36, 602745), (39, 556380), (44, 493155), (45, 482196), (52, 417285), (54, 401830), (55, 394524), (60, 361647), (65, 333828), (66, 328770), (78, 278190), (90, 241098), (99, 219180), (108, 200915), (110, 197262), (117, 185460), (130, 166914), (132, 164385), (135, 160732), (143, 151740), (156, 139095), (165, 131508), (180, 120549), (195, 111276), (198, 109590), (220, 98631), (234, 92730), (260, 83457), (270, 80366), (281, 77220), (286, 75870), (297, 73060), (330, 65754), (351, 61820), (390, 55638), (396, 54795), (429, 50580), (468, 46365), (495, 43836), (540, 40183), (562, 38610), (572, 37935), (585, 37092), (594, 36530), (660, 32877), (702, 30910), (715, 30348), (780, 27819), (843, 25740), (858, 25290), (990, 21918), (1124, 19305), (1170, 18546), (1188, 18265), (1287, 16860), (1404, 15455), (1405, 15444), (1430, 15174), (1485, 14612), (1686, 12870), (1716, 12645), (1755, 12364), (1980, 10959), (2145, 10116), (2340, 9273), (2529, 8580), (2574, 8430), (2810, 7722), (2860, 7587), (2970, 7306), (3091, 7020), (3372, 6435), (3510, 6182), (3653, 5940), (3861, 5620), (4215, 5148), (4290, 5058)]