21503138004

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{269}}^1\times {\mathrm{60013}}^1$

素因数の和:60329

約数の個数: 72

約数和(自身を含む): 56032671240

約数和(自身を除く): 34529533236

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 111, 148, 222, 269, 333, 444, 538, 666, 807, 1076, 1332, 1614, 2421, 3228, 4842, 9684, 9953, 19906, 29859, 39812, 59718, 60013, 89577, 119436, 120026, 179154, 180039, 240052, 358308, 360078, 540117, 720156, 1080234, 2160468, 2220481, 4440962, 6661443, 8881924, 13322886, 16143497, 19984329, 26645772, 32286994, 39968658, 48430491, 64573988, 79937316, 96860982, 145291473, 193721964, 290582946, 581165892, 597309389, 1194618778, 1791928167, 2389237556, 3583856334, 5375784501, 7167712668, 10751569002, 21503138004]

約数ペア:

[(1, 21503138004), (2, 10751569002), (3, 7167712668), (4, 5375784501), (6, 3583856334), (9, 2389237556), (12, 1791928167), (18, 1194618778), (36, 597309389), (37, 581165892), (74, 290582946), (111, 193721964), (148, 145291473), (222, 96860982), (269, 79937316), (333, 64573988), (444, 48430491), (538, 39968658), (666, 32286994), (807, 26645772), (1076, 19984329), (1332, 16143497), (1614, 13322886), (2421, 8881924), (3228, 6661443), (4842, 4440962), (9684, 2220481), (9953, 2160468), (19906, 1080234), (29859, 720156), (39812, 540117), (59718, 360078), (60013, 358308), (89577, 240052), (119436, 180039), (120026, 179154)]