21982716

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{1051}}^1$

素因数の和:1151

約数の個数: 72

約数和(自身を含む): 64331904

約数和(自身を除く): 42349188

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 83, 84, 126, 166, 249, 252, 332, 498, 581, 747, 996, 1051, 1162, 1494, 1743, 2102, 2324, 2988, 3153, 3486, 4204, 5229, 6306, 6972, 7357, 9459, 10458, 12612, 14714, 18918, 20916, 22071, 29428, 37836, 44142, 66213, 87233, 88284, 132426, 174466, 261699, 264852, 348932, 523398, 610631, 785097, 1046796, 1221262, 1570194, 1831893, 2442524, 3140388, 3663786, 5495679, 7327572, 10991358, 21982716]

約数ペア:

[(1, 21982716), (2, 10991358), (3, 7327572), (4, 5495679), (6, 3663786), (7, 3140388), (9, 2442524), (12, 1831893), (14, 1570194), (18, 1221262), (21, 1046796), (28, 785097), (36, 610631), (42, 523398), (63, 348932), (83, 264852), (84, 261699), (126, 174466), (166, 132426), (249, 88284), (252, 87233), (332, 66213), (498, 44142), (581, 37836), (747, 29428), (996, 22071), (1051, 20916), (1162, 18918), (1494, 14714), (1743, 12612), (2102, 10458), (2324, 9459), (2988, 7357), (3153, 6972), (3486, 6306), (4204, 5229)]