21345930

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{19}}^2\times {\mathrm{73}}^1$

素因数の和:130

約数の個数: 120

約数和(自身を含む): 61406532

約数和(自身を除く): 40060602

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 30, 38, 45, 54, 57, 73, 81, 90, 95, 114, 135, 146, 162, 171, 190, 219, 270, 285, 342, 361, 365, 405, 438, 513, 570, 657, 722, 730, 810, 855, 1026, 1083, 1095, 1314, 1387, 1539, 1710, 1805, 1971, 2166, 2190, 2565, 2774, 3078, 3249, 3285, 3610, 3942, 4161, 5130, 5415, 5913, 6498, 6570, 6935, 7695, 8322, 9747, 9855, 10830, 11826, 12483, 13870, 15390, 16245, 19494, 19710, 20805, 24966, 26353, 29241, 29565, 32490, 37449, 41610, 48735, 52706, 58482, 59130, 62415, 74898, 79059, 97470, 112347, 124830, 131765, 146205, 158118, 187245, 224694, 237177, 263530, 292410, 374490, 395295, 474354, 561735, 711531, 790590, 1123470, 1185885, 1423062, 2134593, 2371770, 3557655, 4269186, 7115310, 10672965, 21345930]

約数ペア:

[(1, 21345930), (2, 10672965), (3, 7115310), (5, 4269186), (6, 3557655), (9, 2371770), (10, 2134593), (15, 1423062), (18, 1185885), (19, 1123470), (27, 790590), (30, 711531), (38, 561735), (45, 474354), (54, 395295), (57, 374490), (73, 292410), (81, 263530), (90, 237177), (95, 224694), (114, 187245), (135, 158118), (146, 146205), (162, 131765), (171, 124830), (190, 112347), (219, 97470), (270, 79059), (285, 74898), (342, 62415), (361, 59130), (365, 58482), (405, 52706), (438, 48735), (513, 41610), (570, 37449), (657, 32490), (722, 29565), (730, 29241), (810, 26353), (855, 24966), (1026, 20805), (1083, 19710), (1095, 19494), (1314, 16245), (1387, 15390), (1539, 13870), (1710, 12483), (1805, 11826), (1971, 10830), (2166, 9855), (2190, 9747), (2565, 8322), (2774, 7695), (3078, 6935), (3249, 6570), (3285, 6498), (3610, 5913), (3942, 5415), (4161, 5130)]