21164100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:162

約数の個数: 144

約数和(自身を含む): 66662400

約数和(自身を除く): 45498300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 25, 30, 38, 47, 50, 57, 60, 75, 76, 79, 94, 95, 100, 114, 141, 150, 158, 188, 190, 228, 235, 237, 282, 285, 300, 316, 380, 395, 470, 474, 475, 564, 570, 705, 790, 893, 940, 948, 950, 1140, 1175, 1185, 1410, 1425, 1501, 1580, 1786, 1900, 1975, 2350, 2370, 2679, 2820, 2850, 3002, 3525, 3572, 3713, 3950, 4465, 4503, 4700, 4740, 5358, 5700, 5925, 6004, 7050, 7426, 7505, 7900, 8930, 9006, 10716, 11139, 11850, 13395, 14100, 14852, 15010, 17860, 18012, 18565, 22278, 22325, 22515, 23700, 26790, 30020, 37130, 37525, 44556, 44650, 45030, 53580, 55695, 66975, 70547, 74260, 75050, 89300, 90060, 92825, 111390, 112575, 133950, 141094, 150100, 185650, 211641, 222780, 225150, 267900, 278475, 282188, 352735, 371300, 423282, 450300, 556950, 705470, 846564, 1058205, 1113900, 1410940, 1763675, 2116410, 3527350, 4232820, 5291025, 7054700, 10582050, 21164100]

約数ペア:

[(1, 21164100), (2, 10582050), (3, 7054700), (4, 5291025), (5, 4232820), (6, 3527350), (10, 2116410), (12, 1763675), (15, 1410940), (19, 1113900), (20, 1058205), (25, 846564), (30, 705470), (38, 556950), (47, 450300), (50, 423282), (57, 371300), (60, 352735), (75, 282188), (76, 278475), (79, 267900), (94, 225150), (95, 222780), (100, 211641), (114, 185650), (141, 150100), (150, 141094), (158, 133950), (188, 112575), (190, 111390), (228, 92825), (235, 90060), (237, 89300), (282, 75050), (285, 74260), (300, 70547), (316, 66975), (380, 55695), (395, 53580), (470, 45030), (474, 44650), (475, 44556), (564, 37525), (570, 37130), (705, 30020), (790, 26790), (893, 23700), (940, 22515), (948, 22325), (950, 22278), (1140, 18565), (1175, 18012), (1185, 17860), (1410, 15010), (1425, 14852), (1501, 14100), (1580, 13395), (1786, 11850), (1900, 11139), (1975, 10716), (2350, 9006), (2370, 8930), (2679, 7900), (2820, 7505), (2850, 7426), (3002, 7050), (3525, 6004), (3572, 5925), (3713, 5700), (3950, 5358), (4465, 4740), (4503, 4700)]