21809354608

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{607}}^1\times {\mathrm{677}}^1$

素因数の和:1430

約数の個数: 80

約数和(自身を含む): 44164030464

約数和(自身を除く): 22354675856

約数列:

[1, 2, 4, 8, 16, 31, 62, 107, 124, 214, 248, 428, 496, 607, 677, 856, 1214, 1354, 1712, 2428, 2708, 3317, 4856, 5416, 6634, 9712, 10832, 13268, 18817, 20987, 26536, 37634, 41974, 53072, 64949, 72439, 75268, 83948, 129898, 144878, 150536, 167896, 259796, 289756, 301072, 335792, 410939, 519592, 579512, 821878, 1039184, 1159024, 1643756, 2013419, 2245609, 3287512, 4026838, 4491218, 6575024, 8053676, 8982436, 12739109, 16107352, 17964872, 25478218, 32214704, 35929744, 43970473, 50956436, 87940946, 101912872, 175881892, 203825744, 351763784, 703527568, 1363084663, 2726169326, 5452338652, 10904677304, 21809354608]

約数ペア:

[(1, 21809354608), (2, 10904677304), (4, 5452338652), (8, 2726169326), (16, 1363084663), (31, 703527568), (62, 351763784), (107, 203825744), (124, 175881892), (214, 101912872), (248, 87940946), (428, 50956436), (496, 43970473), (607, 35929744), (677, 32214704), (856, 25478218), (1214, 17964872), (1354, 16107352), (1712, 12739109), (2428, 8982436), (2708, 8053676), (3317, 6575024), (4856, 4491218), (5416, 4026838), (6634, 3287512), (9712, 2245609), (10832, 2013419), (13268, 1643756), (18817, 1159024), (20987, 1039184), (26536, 821878), (37634, 579512), (41974, 519592), (53072, 410939), (64949, 335792), (72439, 301072), (75268, 289756), (83948, 259796), (129898, 167896), (144878, 150536)]