21492575984

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{761}}^1\times {\mathrm{4337}}^1$

素因数の和:5154

約数の個数: 80

約数和(自身を含む): 46727339616

約数和(自身を除く): 25234763632

約数列:

[1, 2, 4, 8, 11, 16, 22, 37, 44, 74, 88, 148, 176, 296, 407, 592, 761, 814, 1522, 1628, 3044, 3256, 4337, 6088, 6512, 8371, 8674, 12176, 16742, 17348, 28157, 33484, 34696, 47707, 56314, 66968, 69392, 95414, 112628, 133936, 160469, 190828, 225256, 309727, 320938, 381656, 450512, 619454, 641876, 763312, 1238908, 1283752, 1765159, 2477816, 2567504, 3300457, 3530318, 4955632, 6600914, 7060636, 13201828, 14121272, 26403656, 28242544, 36305027, 52807312, 72610054, 122116909, 145220108, 244233818, 290440216, 488467636, 580880432, 976935272, 1343285999, 1953870544, 2686571998, 5373143996, 10746287992, 21492575984]

約数ペア:

[(1, 21492575984), (2, 10746287992), (4, 5373143996), (8, 2686571998), (11, 1953870544), (16, 1343285999), (22, 976935272), (37, 580880432), (44, 488467636), (74, 290440216), (88, 244233818), (148, 145220108), (176, 122116909), (296, 72610054), (407, 52807312), (592, 36305027), (761, 28242544), (814, 26403656), (1522, 14121272), (1628, 13201828), (3044, 7060636), (3256, 6600914), (4337, 4955632), (6088, 3530318), (6512, 3300457), (8371, 2567504), (8674, 2477816), (12176, 1765159), (16742, 1283752), (17348, 1238908), (28157, 763312), (33484, 641876), (34696, 619454), (47707, 450512), (56314, 381656), (66968, 320938), (69392, 309727), (95414, 225256), (112628, 190828), (133936, 160469)]