21099372

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1$

素因数の和:267

約数の個数: 96

約数和(自身を含む): 59953152

約数和(自身を除く): 38853780

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 23, 28, 42, 46, 67, 69, 84, 92, 134, 138, 161, 163, 201, 268, 276, 322, 326, 402, 469, 483, 489, 644, 652, 804, 938, 966, 978, 1141, 1407, 1541, 1876, 1932, 1956, 2282, 2814, 3082, 3423, 3749, 4564, 4623, 5628, 6164, 6846, 7498, 9246, 10787, 10921, 11247, 13692, 14996, 18492, 21574, 21842, 22494, 26243, 32361, 32763, 43148, 43684, 44988, 52486, 64722, 65526, 76447, 78729, 104972, 129444, 131052, 152894, 157458, 229341, 251183, 305788, 314916, 458682, 502366, 753549, 917364, 1004732, 1507098, 1758281, 3014196, 3516562, 5274843, 7033124, 10549686, 21099372]

約数ペア:

[(1, 21099372), (2, 10549686), (3, 7033124), (4, 5274843), (6, 3516562), (7, 3014196), (12, 1758281), (14, 1507098), (21, 1004732), (23, 917364), (28, 753549), (42, 502366), (46, 458682), (67, 314916), (69, 305788), (84, 251183), (92, 229341), (134, 157458), (138, 152894), (161, 131052), (163, 129444), (201, 104972), (268, 78729), (276, 76447), (322, 65526), (326, 64722), (402, 52486), (469, 44988), (483, 43684), (489, 43148), (644, 32763), (652, 32361), (804, 26243), (938, 22494), (966, 21842), (978, 21574), (1141, 18492), (1407, 14996), (1541, 13692), (1876, 11247), (1932, 10921), (1956, 10787), (2282, 9246), (2814, 7498), (3082, 6846), (3423, 6164), (3749, 5628), (4564, 4623)]