21825648

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:247

約数の個数: 120

約数和(自身を含む): 67026960

約数和(自身を除く): 45201312

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 89, 104, 117, 131, 144, 156, 178, 208, 234, 262, 267, 312, 356, 393, 468, 524, 534, 624, 712, 786, 801, 936, 1048, 1068, 1157, 1179, 1424, 1572, 1602, 1703, 1872, 2096, 2136, 2314, 2358, 3144, 3204, 3406, 3471, 4272, 4628, 4716, 5109, 6288, 6408, 6812, 6942, 9256, 9432, 10218, 10413, 11659, 12816, 13624, 13884, 15327, 18512, 18864, 20436, 20826, 23318, 27248, 27768, 30654, 34977, 40872, 41652, 46636, 55536, 61308, 69954, 81744, 83304, 93272, 104931, 122616, 139908, 151567, 166608, 186544, 209862, 245232, 279816, 303134, 419724, 454701, 559632, 606268, 839448, 909402, 1212536, 1364103, 1678896, 1818804, 2425072, 2728206, 3637608, 5456412, 7275216, 10912824, 21825648]

約数ペア:

[(1, 21825648), (2, 10912824), (3, 7275216), (4, 5456412), (6, 3637608), (8, 2728206), (9, 2425072), (12, 1818804), (13, 1678896), (16, 1364103), (18, 1212536), (24, 909402), (26, 839448), (36, 606268), (39, 559632), (48, 454701), (52, 419724), (72, 303134), (78, 279816), (89, 245232), (104, 209862), (117, 186544), (131, 166608), (144, 151567), (156, 139908), (178, 122616), (208, 104931), (234, 93272), (262, 83304), (267, 81744), (312, 69954), (356, 61308), (393, 55536), (468, 46636), (524, 41652), (534, 40872), (624, 34977), (712, 30654), (786, 27768), (801, 27248), (936, 23318), (1048, 20826), (1068, 20436), (1157, 18864), (1179, 18512), (1424, 15327), (1572, 13884), (1602, 13624), (1703, 12816), (1872, 11659), (2096, 10413), (2136, 10218), (2314, 9432), (2358, 9256), (3144, 6942), (3204, 6812), (3406, 6408), (3471, 6288), (4272, 5109), (4628, 4716)]