21071254144

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{109673}}^1$

素因数の和:109785

約数の個数: 64

約数和(自身を含む): 44746992000

約数和(自身を除く): 23675737856

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 79, 128, 152, 158, 304, 316, 608, 632, 1216, 1264, 1501, 2432, 2528, 3002, 5056, 6004, 10112, 12008, 24016, 48032, 96064, 109673, 192128, 219346, 438692, 877384, 1754768, 2083787, 3509536, 4167574, 7019072, 8335148, 8664167, 14038144, 16670296, 17328334, 33340592, 34656668, 66681184, 69313336, 133362368, 138626672, 164619173, 266724736, 277253344, 329238346, 554506688, 658476692, 1109013376, 1316953384, 2633906768, 5267813536, 10535627072, 21071254144]

約数ペア:

[(1, 21071254144), (2, 10535627072), (4, 5267813536), (8, 2633906768), (16, 1316953384), (19, 1109013376), (32, 658476692), (38, 554506688), (64, 329238346), (76, 277253344), (79, 266724736), (128, 164619173), (152, 138626672), (158, 133362368), (304, 69313336), (316, 66681184), (608, 34656668), (632, 33340592), (1216, 17328334), (1264, 16670296), (1501, 14038144), (2432, 8664167), (2528, 8335148), (3002, 7019072), (5056, 4167574), (6004, 3509536), (10112, 2083787), (12008, 1754768), (24016, 877384), (48032, 438692), (96064, 219346), (109673, 192128)]