21998048

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{373}}^1$

素因数の和:499

約数の個数: 48

約数和(自身を含む): 46181520

約数和(自身を除く): 24183472

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 97, 152, 194, 304, 373, 388, 608, 746, 776, 1492, 1552, 1843, 2984, 3104, 3686, 5968, 7087, 7372, 11936, 14174, 14744, 28348, 29488, 36181, 56696, 58976, 72362, 113392, 144724, 226784, 289448, 578896, 687439, 1157792, 1374878, 2749756, 5499512, 10999024, 21998048]

約数ペア:

[(1, 21998048), (2, 10999024), (4, 5499512), (8, 2749756), (16, 1374878), (19, 1157792), (32, 687439), (38, 578896), (76, 289448), (97, 226784), (152, 144724), (194, 113392), (304, 72362), (373, 58976), (388, 56696), (608, 36181), (746, 29488), (776, 28348), (1492, 14744), (1552, 14174), (1843, 11936), (2984, 7372), (3104, 7087), (3686, 5968)]