21223992

素因数分解:

$2^3\times 3^1\times {\mathrm{67}}^2\times {\mathrm{197}}^1$

素因数の和:340

約数の個数: 48

約数和(自身を含む): 54137160

約数和(自身を除く): 32913168

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 67, 134, 197, 201, 268, 394, 402, 536, 591, 788, 804, 1182, 1576, 1608, 2364, 4489, 4728, 8978, 13199, 13467, 17956, 26398, 26934, 35912, 39597, 52796, 53868, 79194, 105592, 107736, 158388, 316776, 884333, 1768666, 2652999, 3537332, 5305998, 7074664, 10611996, 21223992]

約数ペア:

[(1, 21223992), (2, 10611996), (3, 7074664), (4, 5305998), (6, 3537332), (8, 2652999), (12, 1768666), (24, 884333), (67, 316776), (134, 158388), (197, 107736), (201, 105592), (268, 79194), (394, 53868), (402, 52796), (536, 39597), (591, 35912), (788, 26934), (804, 26398), (1182, 17956), (1576, 13467), (1608, 13199), (2364, 8978), (4489, 4728)]