21899332

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3539}}^1$

素因数の和:3580

約数の個数: 48

約数和(自身を含む): 49956480

約数和(自身を除く): 28057148

約数列:

[1, 2, 4, 7, 13, 14, 17, 26, 28, 34, 52, 68, 91, 119, 182, 221, 238, 364, 442, 476, 884, 1547, 3094, 3539, 6188, 7078, 14156, 24773, 46007, 49546, 60163, 92014, 99092, 120326, 184028, 240652, 322049, 421141, 644098, 782119, 842282, 1288196, 1564238, 1684564, 3128476, 5474833, 10949666, 21899332]

約数ペア:

[(1, 21899332), (2, 10949666), (4, 5474833), (7, 3128476), (13, 1684564), (14, 1564238), (17, 1288196), (26, 842282), (28, 782119), (34, 644098), (52, 421141), (68, 322049), (91, 240652), (119, 184028), (182, 120326), (221, 99092), (238, 92014), (364, 60163), (442, 49546), (476, 46007), (884, 24773), (1547, 14156), (3094, 7078), (3539, 6188)]