21328650

素因数分解:

$2^1\times 3^3\times 5^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:126

約数の個数: 192

約数和(自身を含む): 70114560

約数和(自身を除く): 48785910

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 27, 30, 35, 37, 42, 45, 50, 54, 61, 63, 70, 74, 75, 90, 105, 111, 122, 126, 135, 150, 175, 183, 185, 189, 210, 222, 225, 259, 270, 305, 315, 333, 350, 366, 370, 378, 427, 450, 518, 525, 549, 555, 610, 630, 666, 675, 777, 854, 915, 925, 945, 999, 1050, 1098, 1110, 1281, 1295, 1350, 1525, 1554, 1575, 1647, 1665, 1830, 1850, 1890, 1998, 2135, 2257, 2331, 2562, 2590, 2745, 2775, 3050, 3150, 3294, 3330, 3843, 3885, 4270, 4514, 4575, 4662, 4725, 4995, 5490, 5550, 6405, 6475, 6771, 6993, 7686, 7770, 8235, 8325, 9150, 9450, 9990, 10675, 11285, 11529, 11655, 12810, 12950, 13542, 13725, 13986, 15799, 16470, 16650, 19215, 19425, 20313, 21350, 22570, 23058, 23310, 24975, 27450, 31598, 32025, 33855, 34965, 38430, 38850, 40626, 41175, 47397, 49950, 56425, 57645, 58275, 60939, 64050, 67710, 69930, 78995, 82350, 94794, 96075, 101565, 112850, 115290, 116550, 121878, 142191, 157990, 169275, 174825, 192150, 203130, 236985, 284382, 288225, 304695, 338550, 349650, 394975, 426573, 473970, 507825, 576450, 609390, 710955, 789950, 853146, 1015650, 1184925, 1421910, 1523475, 2132865, 2369850, 3046950, 3554775, 4265730, 7109550, 10664325, 21328650]

約数ペア:

[(1, 21328650), (2, 10664325), (3, 7109550), (5, 4265730), (6, 3554775), (7, 3046950), (9, 2369850), (10, 2132865), (14, 1523475), (15, 1421910), (18, 1184925), (21, 1015650), (25, 853146), (27, 789950), (30, 710955), (35, 609390), (37, 576450), (42, 507825), (45, 473970), (50, 426573), (54, 394975), (61, 349650), (63, 338550), (70, 304695), (74, 288225), (75, 284382), (90, 236985), (105, 203130), (111, 192150), (122, 174825), (126, 169275), (135, 157990), (150, 142191), (175, 121878), (183, 116550), (185, 115290), (189, 112850), (210, 101565), (222, 96075), (225, 94794), (259, 82350), (270, 78995), (305, 69930), (315, 67710), (333, 64050), (350, 60939), (366, 58275), (370, 57645), (378, 56425), (427, 49950), (450, 47397), (518, 41175), (525, 40626), (549, 38850), (555, 38430), (610, 34965), (630, 33855), (666, 32025), (675, 31598), (777, 27450), (854, 24975), (915, 23310), (925, 23058), (945, 22570), (999, 21350), (1050, 20313), (1098, 19425), (1110, 19215), (1281, 16650), (1295, 16470), (1350, 15799), (1525, 13986), (1554, 13725), (1575, 13542), (1647, 12950), (1665, 12810), (1830, 11655), (1850, 11529), (1890, 11285), (1998, 10675), (2135, 9990), (2257, 9450), (2331, 9150), (2562, 8325), (2590, 8235), (2745, 7770), (2775, 7686), (3050, 6993), (3150, 6771), (3294, 6475), (3330, 6405), (3843, 5550), (3885, 5490), (4270, 4995), (4514, 4725), (4575, 4662)]