21993059968

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{11579}}^1$

素因数の和:11694

約数の個数: 128

約数和(自身を含む): 51026112000

約数和(自身を除く): 29033052032

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 32, 38, 44, 64, 71, 76, 88, 128, 142, 152, 176, 209, 284, 304, 352, 418, 568, 608, 704, 781, 836, 1136, 1216, 1349, 1408, 1562, 1672, 2272, 2432, 2698, 3124, 3344, 4544, 5396, 6248, 6688, 9088, 10792, 11579, 12496, 13376, 14839, 21584, 23158, 24992, 26752, 29678, 43168, 46316, 49984, 59356, 86336, 92632, 99968, 118712, 127369, 172672, 185264, 220001, 237424, 254738, 370528, 440002, 474848, 509476, 741056, 822109, 880004, 949696, 1018952, 1482112, 1644218, 1760008, 1899392, 2037904, 2420011, 3288436, 3520016, 4075808, 4840022, 6576872, 7040032, 8151616, 9043199, 9680044, 13153744, 14080064, 15620071, 16303232, 18086398, 19360088, 26307488, 28160128, 31240142, 36172796, 38720176, 52614976, 62480284, 72345592, 77440352, 105229952, 124960568, 144691184, 154880704, 171820781, 249921136, 289382368, 309761408, 343641562, 499842272, 578764736, 687283124, 999684544, 1157529472, 1374566248, 1999369088, 2749132496, 5498264992, 10996529984, 21993059968]

約数ペア:

[(1, 21993059968), (2, 10996529984), (4, 5498264992), (8, 2749132496), (11, 1999369088), (16, 1374566248), (19, 1157529472), (22, 999684544), (32, 687283124), (38, 578764736), (44, 499842272), (64, 343641562), (71, 309761408), (76, 289382368), (88, 249921136), (128, 171820781), (142, 154880704), (152, 144691184), (176, 124960568), (209, 105229952), (284, 77440352), (304, 72345592), (352, 62480284), (418, 52614976), (568, 38720176), (608, 36172796), (704, 31240142), (781, 28160128), (836, 26307488), (1136, 19360088), (1216, 18086398), (1349, 16303232), (1408, 15620071), (1562, 14080064), (1672, 13153744), (2272, 9680044), (2432, 9043199), (2698, 8151616), (3124, 7040032), (3344, 6576872), (4544, 4840022), (5396, 4075808), (6248, 3520016), (6688, 3288436), (9088, 2420011), (10792, 2037904), (11579, 1899392), (12496, 1760008), (13376, 1644218), (14839, 1482112), (21584, 1018952), (23158, 949696), (24992, 880004), (26752, 822109), (29678, 741056), (43168, 509476), (46316, 474848), (49984, 440002), (59356, 370528), (86336, 254738), (92632, 237424), (99968, 220001), (118712, 185264), (127369, 172672)]