21717342

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{347}}^1$

素因数の和:438

約数の個数: 64

約数和(自身を含む): 51782400

約数和(自身を除く): 30065058

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 61, 114, 122, 171, 183, 342, 347, 366, 513, 549, 694, 1026, 1041, 1098, 1159, 1647, 2082, 2318, 3123, 3294, 3477, 6246, 6593, 6954, 9369, 10431, 13186, 18738, 19779, 20862, 21167, 31293, 39558, 42334, 59337, 62586, 63501, 118674, 127002, 178011, 190503, 356022, 381006, 402173, 571509, 804346, 1143018, 1206519, 2413038, 3619557, 7239114, 10858671, 21717342]

約数ペア:

[(1, 21717342), (2, 10858671), (3, 7239114), (6, 3619557), (9, 2413038), (18, 1206519), (19, 1143018), (27, 804346), (38, 571509), (54, 402173), (57, 381006), (61, 356022), (114, 190503), (122, 178011), (171, 127002), (183, 118674), (342, 63501), (347, 62586), (366, 59337), (513, 42334), (549, 39558), (694, 31293), (1026, 21167), (1041, 20862), (1098, 19779), (1159, 18738), (1647, 13186), (2082, 10431), (2318, 9369), (3123, 6954), (3294, 6593), (3477, 6246)]