21452807940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{420149}}^1$

素因数の和:420221

約数の個数: 96

約数和(自身を含む): 64373702400

約数和(自身を除く): 42920894460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 37, 46, 60, 69, 74, 92, 111, 115, 138, 148, 185, 222, 230, 276, 345, 370, 444, 460, 555, 690, 740, 851, 1110, 1380, 1702, 2220, 2553, 3404, 4255, 5106, 8510, 10212, 12765, 17020, 25530, 51060, 420149, 840298, 1260447, 1680596, 2100745, 2520894, 4201490, 5041788, 6302235, 8402980, 9663427, 12604470, 15545513, 19326854, 25208940, 28990281, 31091026, 38653708, 46636539, 48317135, 57980562, 62182052, 77727565, 93273078, 96634270, 115961124, 144951405, 155455130, 186546156, 193268540, 233182695, 289902810, 310910260, 357546799, 466365390, 579805620, 715093598, 932730780, 1072640397, 1430187196, 1787733995, 2145280794, 3575467990, 4290561588, 5363201985, 7150935980, 10726403970, 21452807940]

約数ペア:

[(1, 21452807940), (2, 10726403970), (3, 7150935980), (4, 5363201985), (5, 4290561588), (6, 3575467990), (10, 2145280794), (12, 1787733995), (15, 1430187196), (20, 1072640397), (23, 932730780), (30, 715093598), (37, 579805620), (46, 466365390), (60, 357546799), (69, 310910260), (74, 289902810), (92, 233182695), (111, 193268540), (115, 186546156), (138, 155455130), (148, 144951405), (185, 115961124), (222, 96634270), (230, 93273078), (276, 77727565), (345, 62182052), (370, 57980562), (444, 48317135), (460, 46636539), (555, 38653708), (690, 31091026), (740, 28990281), (851, 25208940), (1110, 19326854), (1380, 15545513), (1702, 12604470), (2220, 9663427), (2553, 8402980), (3404, 6302235), (4255, 5041788), (5106, 4201490), (8510, 2520894), (10212, 2100745), (12765, 1680596), (17020, 1260447), (25530, 840298), (51060, 420149)]