21780453584

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{14717}}^1\times {\mathrm{5441}}^1$

素因数の和:20183

約数の個数: 40

約数和(自身を含む): 44693208648

約数和(自身を除く): 22912755064

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 5441, 10882, 14717, 21764, 29434, 43528, 58868, 87056, 92497, 117736, 184994, 235472, 250189, 369988, 500378, 739976, 1000756, 1479952, 2001512, 4003024, 80075197, 160150394, 320300788, 640601576, 1281203152, 1361278349, 2722556698, 5445113396, 10890226792, 21780453584]

約数ペア:

[(1, 21780453584), (2, 10890226792), (4, 5445113396), (8, 2722556698), (16, 1361278349), (17, 1281203152), (34, 640601576), (68, 320300788), (136, 160150394), (272, 80075197), (5441, 4003024), (10882, 2001512), (14717, 1479952), (21764, 1000756), (29434, 739976), (43528, 500378), (58868, 369988), (87056, 250189), (92497, 235472), (117736, 184994)]