21728068560

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:238

約数の個数: 960

約数和(自身を含む): 90084234240

約数和(自身を除く): 68356165680

約数列:

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約数ペア:

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(59211, 366960), (59770, 363528), (60048, 361845), (60588, 358620), (61160, 355266), (63801, 340560), (63855, 340272), (64328, 337770), (65747, 330480), (65790, 330264), (66096, 328735), (67320, 322758), (67554, 321640), (68112, 319005), (68805, 315792), (69660, 311916), (70890, 306504), (71280, 304827), (71724, 302940), (72369, 300240), (73392, 296055), (75060, 289476), (75735, 286896), (76626, 283560), (77979, 278640), (78948, 275220), (80410, 270216), (80784, 268965), (82566, 263160), (82620, 262988), (83592, 259930), (85068, 255420), (85140, 255204), (87720, 247698), (89655, 242352), (90072, 241230), (90882, 239080), (91740, 236844), (92880, 233937), (94520, 229878), (95632, 227205), (96492, 225180), (98685, 220176), (100080, 217107), (100980, 215172), (101609, 213840), (102168, 212670), (103972, 208980), (104490, 207944), (105264, 206415), (106335, 204336), (106920, 203218), (107586, 201960), (110088, 197370), (110160, 197241), (112590, 192984), (113424, 191565), (113520, 191403), (114939, 189040), (118422, 183480), (119540, 181764), (120615, 180144), (121176, 179310), (122320, 177633), (123849, 175440), (127602, 170280), (127710, 170136), (128656, 168885), (129965, 167184), (131494, 165240), (131580, 165132), (134640, 161379), (135108, 160820), (137610, 157896), (139320, 155958), (141780, 153252), (143448, 151470), (144738, 150120)]