21083025592

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{739}}^1\times {\mathrm{2357}}^1$

素因数の和:3208

約数の個数: 64

約数和(自身を含む): 42401556000

約数和(自身を除く): 21318530408

約数列:

[1, 2, 4, 8, 17, 34, 68, 89, 136, 178, 356, 712, 739, 1478, 1513, 2357, 2956, 3026, 4714, 5912, 6052, 9428, 12104, 12563, 18856, 25126, 40069, 50252, 65771, 80138, 100504, 131542, 160276, 209773, 263084, 320552, 419546, 526168, 839092, 1118107, 1678184, 1741823, 2236214, 3483646, 3566141, 4472428, 6967292, 7132282, 8944856, 13934584, 14264564, 28529128, 29610991, 59221982, 118443964, 155022247, 236887928, 310044494, 620088988, 1240177976, 2635378199, 5270756398, 10541512796, 21083025592]

約数ペア:

[(1, 21083025592), (2, 10541512796), (4, 5270756398), (8, 2635378199), (17, 1240177976), (34, 620088988), (68, 310044494), (89, 236887928), (136, 155022247), (178, 118443964), (356, 59221982), (712, 29610991), (739, 28529128), (1478, 14264564), (1513, 13934584), (2357, 8944856), (2956, 7132282), (3026, 6967292), (4714, 4472428), (5912, 3566141), (6052, 3483646), (9428, 2236214), (12104, 1741823), (12563, 1678184), (18856, 1118107), (25126, 839092), (40069, 526168), (50252, 419546), (65771, 320552), (80138, 263084), (100504, 209773), (131542, 160276)]