21637532

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{347}}^1$

素因数の和:506

約数の個数: 48

約数和(自身を含む): 46303488

約数和(自身を除く): 24665956

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 131, 238, 262, 347, 476, 524, 694, 917, 1388, 1834, 2227, 2429, 3668, 4454, 4858, 5899, 8908, 9716, 11798, 15589, 23596, 31178, 41293, 45457, 62356, 82586, 90914, 165172, 181828, 318199, 636398, 772769, 1272796, 1545538, 3091076, 5409383, 10818766, 21637532]

約数ペア:

[(1, 21637532), (2, 10818766), (4, 5409383), (7, 3091076), (14, 1545538), (17, 1272796), (28, 772769), (34, 636398), (68, 318199), (119, 181828), (131, 165172), (238, 90914), (262, 82586), (347, 62356), (476, 45457), (524, 41293), (694, 31178), (917, 23596), (1388, 15589), (1834, 11798), (2227, 9716), (2429, 8908), (3668, 5899), (4454, 4858)]