21719103664

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{359}}^1\times {\mathrm{51797}}^1$

素因数の和:52237

約数の個数: 40

約数和(自身を含む): 42776860320

約数和(自身を除く): 21057756656

約数列:

[1, 2, 4, 8, 16, 73, 146, 292, 359, 584, 718, 1168, 1436, 2872, 5744, 26207, 51797, 52414, 103594, 104828, 207188, 209656, 414376, 419312, 828752, 3781181, 7562362, 15124724, 18595123, 30249448, 37190246, 60498896, 74380492, 148760984, 297521968, 1357443979, 2714887958, 5429775916, 10859551832, 21719103664]

約数ペア:

[(1, 21719103664), (2, 10859551832), (4, 5429775916), (8, 2714887958), (16, 1357443979), (73, 297521968), (146, 148760984), (292, 74380492), (359, 60498896), (584, 37190246), (718, 30249448), (1168, 18595123), (1436, 15124724), (2872, 7562362), (5744, 3781181), (26207, 828752), (51797, 419312), (52414, 414376), (103594, 209656), (104828, 207188)]