21836256470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{151}}^1\times {\mathrm{647}}^1$

素因数の和:946

約数の個数: 128

約数和(自身を含む): 47202435072

約数和(自身を除く): 25366178602

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 103, 151, 155, 206, 217, 302, 310, 434, 515, 647, 721, 755, 1030, 1057, 1085, 1294, 1442, 1510, 2114, 2170, 3193, 3235, 3605, 4529, 4681, 5285, 6386, 6470, 7210, 9058, 9362, 10570, 15553, 15965, 20057, 22351, 22645, 23405, 31106, 31930, 32767, 40114, 44702, 45290, 46810, 65534, 66641, 77765, 97697, 100285, 108871, 111755, 133282, 140399, 155530, 163835, 195394, 200570, 217742, 223510, 280798, 327670, 333205, 466487, 482143, 488485, 544355, 666410, 683879, 701995, 932974, 964286, 976970, 1088710, 1367758, 1403990, 2065871, 2332435, 2410715, 3028607, 3375001, 3419395, 4131742, 4664870, 4821430, 6057214, 6750002, 6838790, 10062791, 10329355, 14461097, 15143035, 16875005, 20125582, 20658710, 21200249, 28922194, 30286070, 33750010, 42400498, 50313955, 70439537, 72305485, 100627910, 106001245, 140879074, 144610970, 212002490, 311946521, 352197685, 623893042, 704395370, 1559732605, 2183625647, 3119465210, 4367251294, 10918128235, 21836256470]

約数ペア:

[(1, 21836256470), (2, 10918128235), (5, 4367251294), (7, 3119465210), (10, 2183625647), (14, 1559732605), (31, 704395370), (35, 623893042), (62, 352197685), (70, 311946521), (103, 212002490), (151, 144610970), (155, 140879074), (206, 106001245), (217, 100627910), (302, 72305485), (310, 70439537), (434, 50313955), (515, 42400498), (647, 33750010), (721, 30286070), (755, 28922194), (1030, 21200249), (1057, 20658710), (1085, 20125582), (1294, 16875005), (1442, 15143035), (1510, 14461097), (2114, 10329355), (2170, 10062791), (3193, 6838790), (3235, 6750002), (3605, 6057214), (4529, 4821430), (4681, 4664870), (5285, 4131742), (6386, 3419395), (6470, 3375001), (7210, 3028607), (9058, 2410715), (9362, 2332435), (10570, 2065871), (15553, 1403990), (15965, 1367758), (20057, 1088710), (22351, 976970), (22645, 964286), (23405, 932974), (31106, 701995), (31930, 683879), (32767, 666410), (40114, 544355), (44702, 488485), (45290, 482143), (46810, 466487), (65534, 333205), (66641, 327670), (77765, 280798), (97697, 223510), (100285, 217742), (108871, 200570), (111755, 195394), (133282, 163835), (140399, 155530)]