21389088

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{4547}}^1$

素因数の和:4574

約数の個数: 72

約数和(自身を含む): 65327472

約数和(自身を除く): 43938384

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 84, 96, 98, 112, 147, 168, 196, 224, 294, 336, 392, 588, 672, 784, 1176, 1568, 2352, 4547, 4704, 9094, 13641, 18188, 27282, 31829, 36376, 54564, 63658, 72752, 95487, 109128, 127316, 145504, 190974, 218256, 222803, 254632, 381948, 436512, 445606, 509264, 668409, 763896, 891212, 1018528, 1336818, 1527792, 1782424, 2673636, 3055584, 3564848, 5347272, 7129696, 10694544, 21389088]

約数ペア:

[(1, 21389088), (2, 10694544), (3, 7129696), (4, 5347272), (6, 3564848), (7, 3055584), (8, 2673636), (12, 1782424), (14, 1527792), (16, 1336818), (21, 1018528), (24, 891212), (28, 763896), (32, 668409), (42, 509264), (48, 445606), (49, 436512), (56, 381948), (84, 254632), (96, 222803), (98, 218256), (112, 190974), (147, 145504), (168, 127316), (196, 109128), (224, 95487), (294, 72752), (336, 63658), (392, 54564), (588, 36376), (672, 31829), (784, 27282), (1176, 18188), (1568, 13641), (2352, 9094), (4547, 4704)]