21773440

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2617}}^1$

素因数の和:2649

約数の個数: 64

約数和(自身を含む): 56077560

約数和(自身を除く): 34304120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 2617, 4160, 5234, 8320, 10468, 13085, 20936, 26170, 34021, 41872, 52340, 68042, 83744, 104680, 136084, 167488, 170105, 209360, 272168, 334976, 340210, 418720, 544336, 680420, 837440, 1088672, 1360840, 1674880, 2177344, 2721680, 4354688, 5443360, 10886720, 21773440]

約数ペア:

[(1, 21773440), (2, 10886720), (4, 5443360), (5, 4354688), (8, 2721680), (10, 2177344), (13, 1674880), (16, 1360840), (20, 1088672), (26, 837440), (32, 680420), (40, 544336), (52, 418720), (64, 340210), (65, 334976), (80, 272168), (104, 209360), (128, 170105), (130, 167488), (160, 136084), (208, 104680), (260, 83744), (320, 68042), (416, 52340), (520, 41872), (640, 34021), (832, 26170), (1040, 20936), (1664, 13085), (2080, 10468), (2617, 8320), (4160, 5234)]