21884580

素因数分解:

$2^2\times 3^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:125

約数の個数: 168

約数和(自身を含む): 73449600

約数和(自身を除く): 51565020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 79, 81, 90, 95, 108, 114, 135, 158, 162, 171, 180, 190, 228, 237, 243, 270, 285, 316, 324, 342, 380, 395, 405, 474, 486, 513, 540, 570, 684, 711, 729, 790, 810, 855, 948, 972, 1026, 1140, 1185, 1215, 1422, 1458, 1501, 1539, 1580, 1620, 1710, 2052, 2133, 2370, 2430, 2565, 2844, 2916, 3002, 3078, 3420, 3555, 3645, 4266, 4503, 4617, 4740, 4860, 5130, 6004, 6156, 6399, 7110, 7290, 7505, 7695, 8532, 9006, 9234, 10260, 10665, 12798, 13509, 13851, 14220, 14580, 15010, 15390, 18012, 18468, 19197, 21330, 22515, 23085, 25596, 27018, 27702, 30020, 30780, 31995, 38394, 40527, 42660, 45030, 46170, 54036, 55404, 57591, 63990, 67545, 69255, 76788, 81054, 90060, 92340, 95985, 115182, 121581, 127980, 135090, 138510, 162108, 191970, 202635, 230364, 243162, 270180, 277020, 287955, 364743, 383940, 405270, 486324, 575910, 607905, 729486, 810540, 1094229, 1151820, 1215810, 1458972, 1823715, 2188458, 2431620, 3647430, 4376916, 5471145, 7294860, 10942290, 21884580]

約数ペア:

[(1, 21884580), (2, 10942290), (3, 7294860), (4, 5471145), (5, 4376916), (6, 3647430), (9, 2431620), (10, 2188458), (12, 1823715), (15, 1458972), (18, 1215810), (19, 1151820), (20, 1094229), (27, 810540), (30, 729486), (36, 607905), (38, 575910), (45, 486324), (54, 405270), (57, 383940), (60, 364743), (76, 287955), (79, 277020), (81, 270180), (90, 243162), (95, 230364), (108, 202635), (114, 191970), (135, 162108), (158, 138510), (162, 135090), (171, 127980), (180, 121581), (190, 115182), (228, 95985), (237, 92340), (243, 90060), (270, 81054), (285, 76788), (316, 69255), (324, 67545), (342, 63990), (380, 57591), (395, 55404), (405, 54036), (474, 46170), (486, 45030), (513, 42660), (540, 40527), (570, 38394), (684, 31995), (711, 30780), (729, 30020), (790, 27702), (810, 27018), (855, 25596), (948, 23085), (972, 22515), (1026, 21330), (1140, 19197), (1185, 18468), (1215, 18012), (1422, 15390), (1458, 15010), (1501, 14580), (1539, 14220), (1580, 13851), (1620, 13509), (1710, 12798), (2052, 10665), (2133, 10260), (2370, 9234), (2430, 9006), (2565, 8532), (2844, 7695), (2916, 7505), (3002, 7290), (3078, 7110), (3420, 6399), (3555, 6156), (3645, 6004), (4266, 5130), (4503, 4860), (4617, 4740)]