21830796

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:173

約数の個数: 120

約数和(自身を含む): 63179424

約数和(自身を除く): 41348628

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 71, 73, 78, 81, 108, 117, 142, 146, 156, 162, 213, 219, 234, 284, 292, 324, 351, 426, 438, 468, 639, 657, 702, 852, 876, 923, 949, 1053, 1278, 1314, 1404, 1846, 1898, 1917, 1971, 2106, 2556, 2628, 2769, 2847, 3692, 3796, 3834, 3942, 4212, 5183, 5538, 5694, 5751, 5913, 7668, 7884, 8307, 8541, 10366, 11076, 11388, 11502, 11826, 15549, 16614, 17082, 20732, 23004, 23652, 24921, 25623, 31098, 33228, 34164, 46647, 49842, 51246, 62196, 67379, 74763, 76869, 93294, 99684, 102492, 134758, 139941, 149526, 153738, 186588, 202137, 269516, 279882, 299052, 307476, 404274, 419823, 559764, 606411, 808548, 839646, 1212822, 1679292, 1819233, 2425644, 3638466, 5457699, 7276932, 10915398, 21830796]

約数ペア:

[(1, 21830796), (2, 10915398), (3, 7276932), (4, 5457699), (6, 3638466), (9, 2425644), (12, 1819233), (13, 1679292), (18, 1212822), (26, 839646), (27, 808548), (36, 606411), (39, 559764), (52, 419823), (54, 404274), (71, 307476), (73, 299052), (78, 279882), (81, 269516), (108, 202137), (117, 186588), (142, 153738), (146, 149526), (156, 139941), (162, 134758), (213, 102492), (219, 99684), (234, 93294), (284, 76869), (292, 74763), (324, 67379), (351, 62196), (426, 51246), (438, 49842), (468, 46647), (639, 34164), (657, 33228), (702, 31098), (852, 25623), (876, 24921), (923, 23652), (949, 23004), (1053, 20732), (1278, 17082), (1314, 16614), (1404, 15549), (1846, 11826), (1898, 11502), (1917, 11388), (1971, 11076), (2106, 10366), (2556, 8541), (2628, 8307), (2769, 7884), (2847, 7668), (3692, 5913), (3796, 5751), (3834, 5694), (3942, 5538), (4212, 5183)]