21840648

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{269}}^1$

素因数の和:494

約数の個数: 64

約数和(自身を含む): 58320000

約数和(自身を除く): 36479352

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 199, 204, 269, 398, 408, 538, 597, 796, 807, 1076, 1194, 1592, 1614, 2152, 2388, 3228, 3383, 4573, 4776, 6456, 6766, 9146, 10149, 13532, 13719, 18292, 20298, 27064, 27438, 36584, 40596, 53531, 54876, 81192, 107062, 109752, 160593, 214124, 321186, 428248, 642372, 910027, 1284744, 1820054, 2730081, 3640108, 5460162, 7280216, 10920324, 21840648]

約数ペア:

[(1, 21840648), (2, 10920324), (3, 7280216), (4, 5460162), (6, 3640108), (8, 2730081), (12, 1820054), (17, 1284744), (24, 910027), (34, 642372), (51, 428248), (68, 321186), (102, 214124), (136, 160593), (199, 109752), (204, 107062), (269, 81192), (398, 54876), (408, 53531), (538, 40596), (597, 36584), (796, 27438), (807, 27064), (1076, 20298), (1194, 18292), (1592, 13719), (1614, 13532), (2152, 10149), (2388, 9146), (3228, 6766), (3383, 6456), (4573, 4776)]