21511056

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{877}}^1$

素因数の和:968

約数の個数: 80

約数和(自身を含む): 64452224

約数和(自身を除く): 42941168

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 73, 84, 112, 146, 168, 219, 292, 336, 438, 511, 584, 876, 877, 1022, 1168, 1533, 1752, 1754, 2044, 2631, 3066, 3504, 3508, 4088, 5262, 6132, 6139, 7016, 8176, 10524, 12264, 12278, 14032, 18417, 21048, 24528, 24556, 36834, 42096, 49112, 64021, 73668, 98224, 128042, 147336, 192063, 256084, 294672, 384126, 448147, 512168, 768252, 896294, 1024336, 1344441, 1536504, 1792588, 2688882, 3073008, 3585176, 5377764, 7170352, 10755528, 21511056]

約数ペア:

[(1, 21511056), (2, 10755528), (3, 7170352), (4, 5377764), (6, 3585176), (7, 3073008), (8, 2688882), (12, 1792588), (14, 1536504), (16, 1344441), (21, 1024336), (24, 896294), (28, 768252), (42, 512168), (48, 448147), (56, 384126), (73, 294672), (84, 256084), (112, 192063), (146, 147336), (168, 128042), (219, 98224), (292, 73668), (336, 64021), (438, 49112), (511, 42096), (584, 36834), (876, 24556), (877, 24528), (1022, 21048), (1168, 18417), (1533, 14032), (1752, 12278), (1754, 12264), (2044, 10524), (2631, 8176), (3066, 7016), (3504, 6139), (3508, 6132), (4088, 5262)]