21882910

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:146

約数の個数: 96

約数和(自身を含む): 50528448

約数和(自身を除く): 28645538

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 37, 49, 70, 71, 74, 85, 98, 119, 142, 170, 185, 238, 245, 259, 355, 370, 490, 497, 518, 595, 629, 710, 833, 994, 1190, 1207, 1258, 1295, 1666, 1813, 2414, 2485, 2590, 2627, 3145, 3479, 3626, 4165, 4403, 4970, 5254, 6035, 6290, 6958, 8330, 8449, 8806, 9065, 12070, 13135, 16898, 17395, 18130, 18389, 22015, 26270, 30821, 34790, 36778, 42245, 44030, 44659, 59143, 61642, 84490, 89318, 91945, 118286, 128723, 154105, 183890, 223295, 257446, 295715, 308210, 312613, 446590, 591430, 625226, 643615, 1287230, 1563065, 2188291, 3126130, 4376582, 10941455, 21882910]

約数ペア:

[(1, 21882910), (2, 10941455), (5, 4376582), (7, 3126130), (10, 2188291), (14, 1563065), (17, 1287230), (34, 643615), (35, 625226), (37, 591430), (49, 446590), (70, 312613), (71, 308210), (74, 295715), (85, 257446), (98, 223295), (119, 183890), (142, 154105), (170, 128723), (185, 118286), (238, 91945), (245, 89318), (259, 84490), (355, 61642), (370, 59143), (490, 44659), (497, 44030), (518, 42245), (595, 36778), (629, 34790), (710, 30821), (833, 26270), (994, 22015), (1190, 18389), (1207, 18130), (1258, 17395), (1295, 16898), (1666, 13135), (1813, 12070), (2414, 9065), (2485, 8806), (2590, 8449), (2627, 8330), (3145, 6958), (3479, 6290), (3626, 6035), (4165, 5254), (4403, 4970)]