21604884

素因数分解:

$2^2\times 3^1\times 7^3\times {\mathrm{29}}^1\times {\mathrm{181}}^1$

素因数の和:238

約数の個数: 96

約数和(自身を含む): 61152000

約数和(自身を除く): 39547116

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 29, 42, 49, 58, 84, 87, 98, 116, 147, 174, 181, 196, 203, 294, 343, 348, 362, 406, 543, 588, 609, 686, 724, 812, 1029, 1086, 1218, 1267, 1372, 1421, 2058, 2172, 2436, 2534, 2842, 3801, 4116, 4263, 5068, 5249, 5684, 7602, 8526, 8869, 9947, 10498, 15204, 15747, 17052, 17738, 19894, 20996, 26607, 29841, 31494, 35476, 36743, 39788, 53214, 59682, 62083, 62988, 73486, 106428, 110229, 119364, 124166, 146972, 186249, 220458, 248332, 257201, 372498, 440916, 514402, 744996, 771603, 1028804, 1543206, 1800407, 3086412, 3600814, 5401221, 7201628, 10802442, 21604884]

約数ペア:

[(1, 21604884), (2, 10802442), (3, 7201628), (4, 5401221), (6, 3600814), (7, 3086412), (12, 1800407), (14, 1543206), (21, 1028804), (28, 771603), (29, 744996), (42, 514402), (49, 440916), (58, 372498), (84, 257201), (87, 248332), (98, 220458), (116, 186249), (147, 146972), (174, 124166), (181, 119364), (196, 110229), (203, 106428), (294, 73486), (343, 62988), (348, 62083), (362, 59682), (406, 53214), (543, 39788), (588, 36743), (609, 35476), (686, 31494), (724, 29841), (812, 26607), (1029, 20996), (1086, 19894), (1218, 17738), (1267, 17052), (1372, 15747), (1421, 15204), (2058, 10498), (2172, 9947), (2436, 8869), (2534, 8526), (2842, 7602), (3801, 5684), (4116, 5249), (4263, 5068)]