21828030

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{479}}^1$

素因数の和:534

約数の個数: 96

約数和(自身を含む): 63037440

約数和(自身を除く): 41209410

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 31, 35, 42, 49, 62, 70, 93, 98, 105, 147, 155, 186, 210, 217, 245, 294, 310, 434, 465, 479, 490, 651, 735, 930, 958, 1085, 1302, 1437, 1470, 1519, 2170, 2395, 2874, 3038, 3255, 3353, 4557, 4790, 6510, 6706, 7185, 7595, 9114, 10059, 14370, 14849, 15190, 16765, 20118, 22785, 23471, 29698, 33530, 44547, 45570, 46942, 50295, 70413, 74245, 89094, 100590, 103943, 117355, 140826, 148490, 207886, 222735, 234710, 311829, 352065, 445470, 519715, 623658, 704130, 727601, 1039430, 1455202, 1559145, 2182803, 3118290, 3638005, 4365606, 7276010, 10914015, 21828030]

約数ペア:

[(1, 21828030), (2, 10914015), (3, 7276010), (5, 4365606), (6, 3638005), (7, 3118290), (10, 2182803), (14, 1559145), (15, 1455202), (21, 1039430), (30, 727601), (31, 704130), (35, 623658), (42, 519715), (49, 445470), (62, 352065), (70, 311829), (93, 234710), (98, 222735), (105, 207886), (147, 148490), (155, 140826), (186, 117355), (210, 103943), (217, 100590), (245, 89094), (294, 74245), (310, 70413), (434, 50295), (465, 46942), (479, 45570), (490, 44547), (651, 33530), (735, 29698), (930, 23471), (958, 22785), (1085, 20118), (1302, 16765), (1437, 15190), (1470, 14849), (1519, 14370), (2170, 10059), (2395, 9114), (2874, 7595), (3038, 7185), (3255, 6706), (3353, 6510), (4557, 4790)]