21550871460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{47}}^2\times {\mathrm{277}}^1\times {\mathrm{587}}^1$

素因数の和:970

約数の個数: 144

約数和(自身を含む): 61981625664

約数和(自身を除く): 40430754204

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 47, 60, 94, 141, 188, 235, 277, 282, 470, 554, 564, 587, 705, 831, 940, 1108, 1174, 1385, 1410, 1662, 1761, 2209, 2348, 2770, 2820, 2935, 3324, 3522, 4155, 4418, 5540, 5870, 6627, 7044, 8310, 8805, 8836, 11045, 11740, 13019, 13254, 16620, 17610, 22090, 26038, 26508, 27589, 33135, 35220, 39057, 44180, 52076, 55178, 65095, 66270, 78114, 82767, 110356, 130190, 132540, 137945, 156228, 162599, 165534, 195285, 260380, 275890, 325198, 331068, 390570, 413835, 487797, 551780, 611893, 650396, 781140, 812995, 827670, 975594, 1223786, 1296683, 1625990, 1655340, 1835679, 1951188, 2438985, 2447572, 2593366, 3059465, 3251980, 3671358, 3890049, 4877970, 5186732, 6118930, 6483415, 7342716, 7642153, 7780098, 9178395, 9755940, 12237860, 12966830, 15284306, 15560196, 18356790, 19450245, 22926459, 25933660, 30568612, 36713580, 38210765, 38900490, 45852918, 76421530, 77800980, 91705836, 114632295, 152843060, 229264590, 359181191, 458529180, 718362382, 1077543573, 1436724764, 1795905955, 2155087146, 3591811910, 4310174292, 5387717865, 7183623820, 10775435730, 21550871460]

約数ペア:

[(1, 21550871460), (2, 10775435730), (3, 7183623820), (4, 5387717865), (5, 4310174292), (6, 3591811910), (10, 2155087146), (12, 1795905955), (15, 1436724764), (20, 1077543573), (30, 718362382), (47, 458529180), (60, 359181191), (94, 229264590), (141, 152843060), (188, 114632295), (235, 91705836), (277, 77800980), (282, 76421530), (470, 45852918), (554, 38900490), (564, 38210765), (587, 36713580), (705, 30568612), (831, 25933660), (940, 22926459), (1108, 19450245), (1174, 18356790), (1385, 15560196), (1410, 15284306), (1662, 12966830), (1761, 12237860), (2209, 9755940), (2348, 9178395), (2770, 7780098), (2820, 7642153), (2935, 7342716), (3324, 6483415), (3522, 6118930), (4155, 5186732), (4418, 4877970), (5540, 3890049), (5870, 3671358), (6627, 3251980), (7044, 3059465), (8310, 2593366), (8805, 2447572), (8836, 2438985), (11045, 1951188), (11740, 1835679), (13019, 1655340), (13254, 1625990), (16620, 1296683), (17610, 1223786), (22090, 975594), (26038, 827670), (26508, 812995), (27589, 781140), (33135, 650396), (35220, 611893), (39057, 551780), (44180, 487797), (52076, 413835), (55178, 390570), (65095, 331068), (66270, 325198), (78114, 275890), (82767, 260380), (110356, 195285), (130190, 165534), (132540, 162599), (137945, 156228)]