21729204

素因数分解:

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

素因数の和:226

約数の個数: 108

約数和(自身を含む): 66023776

約数和(自身を除く): 44294572

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 28, 36, 42, 46, 63, 69, 84, 92, 126, 138, 161, 163, 207, 252, 276, 322, 326, 414, 483, 489, 529, 644, 652, 828, 966, 978, 1058, 1141, 1449, 1467, 1587, 1932, 1956, 2116, 2282, 2898, 2934, 3174, 3423, 3703, 3749, 4564, 4761, 5796, 5868, 6348, 6846, 7406, 7498, 9522, 10269, 11109, 11247, 13692, 14812, 14996, 19044, 20538, 22218, 22494, 26243, 33327, 33741, 41076, 44436, 44988, 52486, 66654, 67482, 78729, 86227, 104972, 133308, 134964, 157458, 172454, 236187, 258681, 314916, 344908, 472374, 517362, 603589, 776043, 944748, 1034724, 1207178, 1552086, 1810767, 2414356, 3104172, 3621534, 5432301, 7243068, 10864602, 21729204]

約数ペア:

[(1, 21729204), (2, 10864602), (3, 7243068), (4, 5432301), (6, 3621534), (7, 3104172), (9, 2414356), (12, 1810767), (14, 1552086), (18, 1207178), (21, 1034724), (23, 944748), (28, 776043), (36, 603589), (42, 517362), (46, 472374), (63, 344908), (69, 314916), (84, 258681), (92, 236187), (126, 172454), (138, 157458), (161, 134964), (163, 133308), (207, 104972), (252, 86227), (276, 78729), (322, 67482), (326, 66654), (414, 52486), (483, 44988), (489, 44436), (529, 41076), (644, 33741), (652, 33327), (828, 26243), (966, 22494), (978, 22218), (1058, 20538), (1141, 19044), (1449, 14996), (1467, 14812), (1587, 13692), (1932, 11247), (1956, 11109), (2116, 10269), (2282, 9522), (2898, 7498), (2934, 7406), (3174, 6846), (3423, 6348), (3703, 5868), (3749, 5796), (4564, 4761)]