21994590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{821}}^1$

素因数の和:897

約数の個数: 64

約数和(自身を含む): 56816640

約数和(自身を除く): 34822050

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 47, 57, 94, 95, 114, 141, 190, 235, 282, 285, 470, 570, 705, 821, 893, 1410, 1642, 1786, 2463, 2679, 4105, 4465, 4926, 5358, 8210, 8930, 12315, 13395, 15599, 24630, 26790, 31198, 38587, 46797, 77174, 77995, 93594, 115761, 155990, 192935, 231522, 233985, 385870, 467970, 578805, 733153, 1157610, 1466306, 2199459, 3665765, 4398918, 7331530, 10997295, 21994590]

約数ペア:

[(1, 21994590), (2, 10997295), (3, 7331530), (5, 4398918), (6, 3665765), (10, 2199459), (15, 1466306), (19, 1157610), (30, 733153), (38, 578805), (47, 467970), (57, 385870), (94, 233985), (95, 231522), (114, 192935), (141, 155990), (190, 115761), (235, 93594), (282, 77995), (285, 77174), (470, 46797), (570, 38587), (705, 31198), (821, 26790), (893, 24630), (1410, 15599), (1642, 13395), (1786, 12315), (2463, 8930), (2679, 8210), (4105, 5358), (4465, 4926)]