21414372

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{461}}^1$

素因数の和:561

約数の個数: 72

約数和(自身を含む): 58988160

約数和(自身を除く): 37573788

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 79, 84, 98, 147, 158, 196, 237, 294, 316, 461, 474, 553, 588, 922, 948, 1106, 1383, 1659, 1844, 2212, 2766, 3227, 3318, 3871, 5532, 6454, 6636, 7742, 9681, 11613, 12908, 15484, 19362, 22589, 23226, 36419, 38724, 45178, 46452, 67767, 72838, 90356, 109257, 135534, 145676, 218514, 254933, 271068, 437028, 509866, 764799, 1019732, 1529598, 1784531, 3059196, 3569062, 5353593, 7138124, 10707186, 21414372]

約数ペア:

[(1, 21414372), (2, 10707186), (3, 7138124), (4, 5353593), (6, 3569062), (7, 3059196), (12, 1784531), (14, 1529598), (21, 1019732), (28, 764799), (42, 509866), (49, 437028), (79, 271068), (84, 254933), (98, 218514), (147, 145676), (158, 135534), (196, 109257), (237, 90356), (294, 72838), (316, 67767), (461, 46452), (474, 45178), (553, 38724), (588, 36419), (922, 23226), (948, 22589), (1106, 19362), (1383, 15484), (1659, 12908), (1844, 11613), (2212, 9681), (2766, 7742), (3227, 6636), (3318, 6454), (3871, 5532)]