21244432

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{6353}}^1$

素因数の和:6391

約数の個数: 40

約数和(自身を含む): 47273760

約数和(自身を除く): 26029328

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 152, 176, 209, 304, 418, 836, 1672, 3344, 6353, 12706, 25412, 50824, 69883, 101648, 120707, 139766, 241414, 279532, 482828, 559064, 965656, 1118128, 1327777, 1931312, 2655554, 5311108, 10622216, 21244432]

約数ペア:

[(1, 21244432), (2, 10622216), (4, 5311108), (8, 2655554), (11, 1931312), (16, 1327777), (19, 1118128), (22, 965656), (38, 559064), (44, 482828), (76, 279532), (88, 241414), (152, 139766), (176, 120707), (209, 101648), (304, 69883), (418, 50824), (836, 25412), (1672, 12706), (3344, 6353)]